please answer this I will mark him brain list.
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Biome1234:
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Answer:
1 sum :
diameter=6cm
radius=6/2=3cm
perimeter=pi*r=3.14*3=9.42cm
Step-by-step explanation:
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2nd sum find the perimeter of rectangle by using the formula 2[l+b] and calculate the perimeter of semicricle by using pi*r as r=d/2=17/2=8.5. add the both perimeters you will get the answer
2nd sum answer is 70.69cm
you have to try again because the answer is 53.7m
3rd sum answer is 88.59
no 56.24 is the right answer
but i'm not getting that answer
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