Question

EXERCISE 18.1
1. In Fig. 1 length = 42 cm , breadth
21 cm. From Fig. I a square of side 2 cm
is cut. Find the perimeter of the figures
and compare them.​

Answer 1

Answer:

please provide the figure

Answer 2

Step-by-step explanation:

Perimeter of rectangle = 2 ( length + breadth )

= 2 ( 42cm + 21cm )

= 2 ( 63cm )

= 123cm

Perimeter of square = 4 × side

= 4 × 2cm

= 8cm

Perimeter of rectangle - Perimeter of square = 123cm - 8cm

= 115cm