Advertisements
Advertisements
Question
Find the area and perimeter of the following parallelograms
Advertisements
Solution
Given: base b = 11 cm
height h = 3 cm
Area of the parallelogram = b × h sq.units
= 11 × 3 cm2
= 33 cm2
Also perimeter of a parallelogram = Sum of 4 sides
= 11 cm + 4 cm + 11 cm + 4 cm
= 30 cm
Area = 33 cm2, Perimeter = 30 cm.
APPEARS IN
RELATED QUESTIONS
In the below fig. X and Y are the mid-points of AC and AB respectively, QP || BC and
CYQ and BXP are straight lines. Prove that ar (Δ ABP) = ar (ΔACQ).
P is any point on base BC of ΔABC and D is the mid-point of BC. DE is drawn parallel toPA to meet AC at E. If ar (ΔABC) = 12 cm2, then find area of ΔEPC.
ABCD is a rectangle with O as any point in its interior. If ar (ΔAOD) = 3 cm2 and ar (ΔABOC) = 6 cm2, then area of rectangle ABCD is
The mid-points of the sides of a triangle ABC along with any of the vertices as the fourth point make a parallelogram of area equal to ______.
Find the area of a rectangle whose length and breadth are 25 m and 16 cm.
Find the area of a square, whose side is: 7.2 cm.
This stamp has an area of 4 square cm. Guess how many such stamps will cover this big rectangle.
What is the area of the rectangle? ________ square cm
Look at the table. If you were to write the area of each of these which column would you choose? Make a (✓).
| Square cm |
Square meter |
Square km |
|
| Handkerchief | ✓ | ||
| Sari | |||
| Page of your book | |||
| School land | |||
| Total land of a city | |||
| Door of your classroom | |||
| Chair seat | |||
| Blackboard | |||
| Indian flag | |||
| Land over which a river flows |
Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.
- 352 children from a school went on a camping trip. Each tent had a group of 4 children.
a) How many children did each tent have? b) How many tents do they need? c) How many children in all are in the school?
