Question

7. The area of a rectangular field is 1800 m. If its width is 40 m, find its perimeter.
8. The perimeter of a square is 140 m. Find its area.
9. A floor 10 m x 7 m is to be paved with square tiles of side 50 cm. Find the num
10. Find the circumference and area of a circle whose radius is 14 m.
11. A bicyde wheel has a diameter (including the tyre) of 70 cm. How many times wou
a distance of 3.3 km?
Lab
13.2 Area of a Trapezium
Let ABCD be a traperium in which ABIDC.DL and
CM are perpendiculars from D and C on AB
The distance between
Verify the formula for t
Mathematics Laboratory.
Material​

Answer 1

Answer:

7. Area = (length× breadth)

So, length = Area ÷ breadth

Perimeter = 2×(Length + Breadth)