Question

please answer my question 4

I will mark u as branlist and thanks your answer

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Answer 1

QUESTION ⤵️

find the perimeter of a semicircle whose diameter is 2.8 CM.

ANSWER ⤵

Diameter of semi circle= 2.8cm

radius = diameter/2

=2.8/2

= 1.4cm

Perimeter of semi circle= πr +2r

= 3.14×1.4+2×1.4

=4.396+2.8

${\huge{\boxed{\mathcal{\pink{perimeter\:=\: 7.196}}}}}</p><p>$

$\huge\mathfrak\blue{hope \: it \: helps}$

Answer 2

Answer:

Perimeter =πr=22/7

22/7 X2.8 /2

=4:4

hope it will help you

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