Math, asked by umeshprasad1980, 11 months ago

question number 11,12 please fast

11 ans is =80m and 240m
12 ans is =15 years ,45 years

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Answered by Kanchankasat

0

Answer:

length = 3 * breadth

l=3b

Perimeter of rectangle = 2 (l+b)

640=2 (3b+b)

640=2 (4b)

640=8b

640÷8=b

80=b

length=3*b

=3*80

=240m

breadth=80m

Answered by AmitabBacchan

0

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mark me brainly

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