Question

3: Find the area of the square whose sides are given below. b) 10cm a) 20cm​

Answer 1

b) Given:

Side=10cm

To find:

Area of the square=?

Solution:

Now we are going to find area of square.

We know that

The area of square =side×side sq.units

=10×10

=100 sq.cm

a) Given:

Side=20cm

To find:

Area of the square=?

Solution:

We know that

The area of square=side×side

=20×20

=400 sq.cm

Answer 2

Answer:

a)20 cm = 400 cm²

b)10 cm = 100 cm²

Step-by-step explanation:

Area of square (A) = side² (a²)

a) A = a²

A=(20)²

A=400 cm²

b) A = a²

A=(10)²

A=100 cm²