Question

Find the perimeter of the following rectangle. Length 3.5cm. Breadth 20mm

Answer 1

Answer:

7.40 cm

3.5+3.5=7cm

20+20=40mm

So , 7.40 cm

Answer 2

Answer:

perimeter of rectangle- 2×length+2×breadth

length- 2×3.5cm

ans) 7cm

breadth- 2×20mm

ans) 40mm

let's add it

7cm+40mm

ans) 7.40cm

ans) hence, 7.40cm is the answer.