Question

B. Draw a square of 9 square cm. Write A on it.
Draw another square with double the side. Write B on it.

Answer these –

1. The perimeter of square A is _______ cm.

2. The side of square B is _______ cm.

3. The area of square B is _______ square cm.

4. The area of square B is _______ times the area of square A.

5. The perimeter of square B is _______ cm.

6. The perimeter of square B is _______ times the perimeter of square A.​

Answer 1

Answer:

Area of square =9cm

2

⇒ Area of square =(Side)

2

⇒ 9=(Side)

2

∴ Side=3cm

We know in square all sides of square are equal and each angle is 90

o

.

⇒ Draw a line line segment AB=3cm

⇒ Take A and B as center and draw an angle of 90

o

.

⇒ Cut off AD=3cm and BC=3cm

⇒ Join CD

∴ ABCD is a required square.