Question

Project Work
Use separate graph papers to find the area of (a) a square of each side 3 cm, (b) a recta
of length 4 cm and breadth 3 cm and (c) a circle of radius 3 cm. Compare your res
from area obtained after calculations using the standard formulae.
Concise PHYSICS - Middle School​

Answer 1

Answer:

Area of square = 3x3 = 9 cm .sq.

Area of rectangle = 4 x 3 = 12 cm .sq.

Area of circle = 22/7 x 3 x 3 = 28.28 cm. sq.

Explanation:

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Answer 2

Answer:

Area of Square = 3 × 3 = 9cm.sq.

Area of Rectangle= 4 × 3 = 12.cm.sq.

Area of Circle = 22/7 × 3 × 3 = 28.28.cm.sq.