Question

if the perimeter of a rectangle is 45 cm and it's breadth is 8cm 7mm, then what is it's length? ​

Answer 1

Answer:

6.45 mm

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Answer 2

1 cm = 100mm

45cm = 45 × 100

= 4500

8cm = 8 × 100

= 800

Perimeter = 2(l+b)

p = 2 ( 4500 + 807)

p = 2 (5307)

p = 2 × 5307

p = 10,618

perimeter of a rectangle is 10,618 mm

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