Advertisements
Advertisements
Question
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?
Options
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.
Advertisements
Solution
There will be a change in both area and perimeter
Explanation;
Hint:
APPEARS IN
RELATED QUESTIONS
As shown in the figure, four napkins, all of the same size, were made from a square piece of cloth of length 1 m. What length of lace will be required to trim all four sides of all the napkins?
Find the area of the following rectangle
length = 7 m and breadth = 4 m
Find the area of the rectangle whose sides are:
2 km and 3 km
Find the area of the rectangle whose sides are:
2 m and 70 cm
How many tiles whose length and breadth are 12 cm and 5 cm respectively will be needed to fit in a rectangular region whose length and breadth are:
70 cm and 36 cm
Use the following figure, showing the layout of a farm house:
- What is the area of land used to grow hay?
- It costs ₹ 91 per m2 to fertilise the vegetable garden. What is the total cost?
- A fence is to be enclosed around the house. The dimensions of the house are 18.7 m × 12.6 m. At least how many metres of fencing are needed?
- Each banana tree required 1.25 m2 of ground space. How many banana trees can there be in the orchard?
The plan and measurement for a house are given in the following figure. The house is surrounded by a path 1 m wide.
Find the following:
- Cost of paving the path with bricks at rate of ₹ 120 per m2.
- Cost of wooden flooring inside the house except the bathroom at the cost of ₹ 1200 per m2.
- Area of Living Room.
4 squares each of side 10 cm have been cut from each corner of a rectangular sheet of paper of size 100 cm × 80 cm. From the remaining piece of paper, an isosceles right triangle is removed whose equal sides are each of 10 cm length. Find the area of the remaining part of the paper.
What is the formula to calculate the area of a rectangle?
What unit is used to express the area of a rectangle?
