Math, asked by ankitAT8, 1 year ago

Find the perimeter of the shaded region. All the measurements are in centimetres

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Answered by sha888

it may help you...,........

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silent112: wrong ❌

ankitAT8: silent 112 do you know the answer

ankitAT8: sha888 I have done this sum this way only but the answer is coming 33cm

ankitAT8: My answer is coming 40 cm and the answer in the book is 33 cm

silent112: if anyone delete answer then i comment my answer is exact 33 with solution

Answered by manya222

diameter of the semi circle =7
radius= 7/2
perimeter semi circle = 2πr/2
=22/7×2×7/2/×1/2=11
perimeter of rectangle= 2×( 10.5+4) =29
perimeter of shaded region = 29+11=40

silent112: wrong ❌

silent112: dude u delete ur answer

manya222: what's the correct ans

silent112: 33

manya222: how

silent112: delete ur answer then i explain

manya222: wait

silent112: with explanation

manya222: i got the ans

manya222: i m sorry for giving wrong ans it should be 40-7 as in πr we will get the area of the diameter also thus we have to subtract 7(as it is diameter ) and we will get 33 as the ans

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