Math, asked by tanishqa65, 19 days ago

perimeter of a semi circle with diameter as 4.5m

Answers

Answered by RS9

5

Answer:

11.5714286

Step-by-step explanation:

perimeter of the circle is 2πr

perimeter of the semicircle is 2πr÷2+diameter

d=4.5m

r=d÷2=2.25

hence, 22/7*2.25+4.5=11.5714286

Answered by ys483545038

0

Answer:

circumference of circles = Pi r

= 22/7 * 2.4

= 52.8/7

=. 7.54

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