#### Chapters

Chapter 2: Integers

Chapter 3: Perimeter and Area

Chapter 4: Symmetry

Chapter 5: Information Processing

## Chapter 3: Perimeter and Area

### Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 3 Answers Guide Chapter 3 Perimeter and AreaExercise 3.1 [Pages 51 - 53]

The table given below contains some measures of the rectangle. Find the unknown values.

Length |
Breadth |
Perimeter |
Area |

5 cm | 8 cm | ? | ? |

The table given below contains some measures of the rectangle. Find the unknown values.

Length |
Breadth |
Perimeter |
Area |

13 cm | ? | 54 cm | ? |

The table given below contains some measures of the rectangle. Find the unknown values.

Length |
Breadth |
Perimeter |
Area |

? | 15 cm | 60 cm | ? |

The table given below contains some measures of the rectangle. Find the unknown values.

Length |
Breadth |
Perimeter |
Area |

10 m | ? | ? | 120 sq.m |

The table given below contains some measures of the rectangle. Find the unknown values.

Length |
Breadth |
Perimeter |
Area |

? | 4 feet | ? | 20 sq.feet |

The table given below contains some measures of the square. Find the unknown values.

Side |
Perimeter |
Area |

6 cm | ? | ? |

The table given below contains some measures of the square. Find the unknown values.

Side |
Perimeter |
Area |

? | 100 m | ? |

The table given below contains some measures of the square. Find the unknown values.

Side |
Perimeter |
Area |

? | ? | 49 sq.feet |

The table given below contains some measures of the right angled triangle. Find the unknown values.

Base |
Height |
Area |

20 cm | 40 cm | ? |

The table given below contains some measures of the right angled triangle. Find the unknown values.

Base |
Height |
Area |

5 feet | ? | 20 sq.feet |

The table given below contains some measures of the right angled triangle. Find the unknown values.

Base |
Height |
Area |

? | 12 m | 24 sq.m |

The table given below contains some measures of the triangle. Find the unknown values.

Side 1 |
Side 2 |
Side 3 |
Perimeter |

6 cm | 5 cm | 2 cm | ? |

The table given below contains some measures of the triangle. Find the unknown values.

Side 1 |
Side 2 |
Side 3 |
Perimeter |

? | 8 m | 3 m | 17 m |

The table given below contains some measures of the triangle. Find the unknown values.

Side 1 |
Side 2 |
Side 3 |
Perimeter |

11 feet | ? | 9 feet | 28 feet |

#### Fill in the blanks

5 cm^{2} = _______ mm^{2}

26 m^{2} = _______ cm^{2}

8 km^{2} = _______ m^{2}

Find the perimeter and area of the following shape

Find the perimeter and area of the following shape

Find the perimeter and area of the following shape

Find the perimeter and the area of the rectangle whose length is 6 m and breadth is 4 m

Find the perimeter and the area of the square whose side is 8 cm

Find the perimeter and the area of a right angled triangle whose sides are 6 feet, 8 feet and 10 feet

Find the perimeter of A scalene triangle with sides 7 m, 8 m, 10 m

Find the perimeter of An isosceles triangle with equal sides 10 cm each and third side is 7 cm

Find the perimeter of An equilateral triangle with side 6 cm

The area of a rectangular shaped photo is 820 sq.cm. and its width is 20 cm. What is its length? Also find its perimeter

A square park has 40 m as its perimeter. What is the length of its side? Also find its area

The scalene triangle has 40 cm as its perimeter and whose two sides are 13 cm and 15 cm, find the third side

A field is in the shape of a right angled triangle whose base is 25 m and height 20 m. Find the cost of levelling the field at the rate of ₹ 45 per sq.m^{2}

A square of side 2 cm is joined with a rectangle of length 15 cm and breadth 10 cm. Find the perimeter of the combined shape

#### Objective Type Questions

The following figure are of equal area. Which figure has the least perimeter?

If two identical rectangles of perimeter 30 cm are joined together, then the perimeter of the new shape will be

equal to 60 cm

less than 60 cm

greater than 60 cm

equal to 45 cm

If every side of a rectangle is doubled, then its area becomes _______ times

2

3

4

6

The side of a square is 10 cm. If its side is tripled, then by how many times will its perimeter increase?

2 times

4 times

6 times

3 times

The length and breadth of a rectangular sheet of a paper are 15 cm and 12 cm respectively. A rectangular piece is cut from one of its corners. Which of the following statement is correct for the remaining sheet?

Perimeter remains the same but the area changes

Area remains the same but the perimeter changes

There will be a change in both area and perimeter.

Both the area and perimeter remains the same.

### Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 3 Answers Guide Chapter 3 Perimeter and AreaExercise 3.2 [Pages 53 - 54]

#### Miscellaneous Practice Problems

A piece of wire is 36 cm long. What will be the length of each side if we form a square

A piece of wire is 36 cm long. What will be the length of each side if we form an equilateral triangle

From one vertex of an equilateral triangle with side 40 cm, an equilateral triangle with 6 cm side is removed. What is the perimeter of the remaining portion?

Rahim and Peter go for a morning walk, Rahim walks around a square path of side 50 m and Peter walks around a rectangular path with length 40 m and breadth 30 m. If both of them walk 2 rounds each, who covers more distance and by how much?

The length of a rectangular park is 14 m more than its breadth. If the perimeter of the park is 200 m, what is its length? Find the area of the park

Your garden is in the shape of a square of side 5 m. Each side is to be fenced with 2 rows of wire. Find how much amount is needed to fence the garden at ₹ 10 per metre

#### Challenge Problems

A closed shape has 20 equal sides and one of its sides is 3 cm. Find its perimeter

A rectangle has length 40 cm and breadth 20 cm. How many squares with side 10 cm can be formed from it

The length of a rectangle is three times its breadth. If its perimeter is 64 cm, find the sides of the rectangle

How many different rectangles can be made with a 48 cm long string? Find the possible pairs of length and breadth of the rectangles.

Draw a square B whose side is twice of the square A. Calculate the perimeter of the squares A and B

What will be the area of a new square formed if the side of a square is made one-fourth?

Two plots have the same perimeter. One is a square of side 10 m and another is a rectangle of breadth 8 m. Which plot has the greater area and by how much?

Look at the picture of the house given and find the total area of the shaded portion.

Find the approximate area of the flower in the given square grid.

## Chapter 3: Perimeter and Area

## Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 3 Answers Guide chapter 3 - Perimeter and Area

Tamil Nadu Board Samacheer Kalvi solutions for Class 6th Mathematics Term 3 Answers Guide chapter 3 (Perimeter and Area) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 6th Mathematics Term 3 Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 6th Mathematics Term 3 Answers Guide chapter 3 Perimeter and Area are Concept of Perimeter, Perimeter of a Rectangle, Perimeter of Squares, Perimeter of Triangles, Concept of Area, Area of Rectangle, Area of Square, Area of a Triangle, Perimeter and Area of Combined Shapes, Estimate the Area of Irregular Shape Using a Graph Paper.

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