Question

Find the perimeter of adjoining figure ,which is a semicircle including its diameter .​

Answer 1

Answer:

perimeter/circumference of a semi-circle= πd/2

=22/7×2

=44/7

=6whole 2/7

Answer 2

$\huge{\underline{\underline{\bf{\blue{Answer:-}}}}}$

${\bold{\underline{\underline{Given:-}}}}$

➡Diameter= 10cm

➡Radius =D/2= 10/2=5cm

${\bold{\underline{\underline{Find:-}}}}$

➡Perimeter =?

${\bold{\underline{\underline{Formula:-}}}}$

➡Formula =πr + D

${\bold{\underline{\underline{Solution:-}}}}$

➡πr + D

➡22/7x 5 + 10

➡110/7 +10

➡110 + 70 /7

➡180/7

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