Bishesta Bishesta

01-02-2021
Mathematics

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find the area of rectangle ,semicircle and the figure

find the area of rectangle semicircle and the figure class=

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plamid04 plamid04

01-02-2021

Step-by-step explanation:

Srectangle=21*30=630cm^2

Ssemicircle=(11.5^2*pi)/2=132.25pi/2=66.125cm^2*pi

Sfigure=630cm*2+2*66.125cm^2*pi=630cm^2+pi*132.25pi

if we assume that pi=3.14

Sfigure=630cm^2+415.265cm^2=1045.265cm^2

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