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Lelu [443]
2 years ago
9

POSting AGAIN SINCE NoBodY ANSWERED! PLZ HELP THIS IS DUE AT 3PM!

Mathematics
2 answers:
tankabanditka [31]2 years ago
6 0
Help what ??? I don’t see anything
laiz [17]2 years ago
4 0
On what ???????????????
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If the diameter of circle a measures half of the diameter of circle b, then the area of circle b is how many times the area of c
Eduardwww [97]
Circle b:

Diameter = x

Radius = \frac{x}{2}

Area = \pi  r^{2} =  \pi ( \frac{x}{2} )^{2} =   \frac{ \pi  x^{2} }{4}

Circle a:

Diameter = \frac{x}{2}

Radius = \frac{x}{2} *  \frac{1}{2} =  \frac{x}{4}

Area = \pi  r^{2} =  \pi  ( \frac{x}{4} )^{2} =  \frac{  \pi x^{2} }{16}

Thus,

Area of circle b to area of circle a

= \frac{ \pi x^{2} }{4} ÷ \frac{ \pi x^{2} }{16}

= \frac{ \pi x^{2} }{4} × \frac{ 16 }{\pi x^{2}}

= 4

Hence, the area of circle b is 4 times the area of circle a.
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3 years ago
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Answer:

Step-by-step explanation: the answer is -2 1/8 or c

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Step-by-step explanation:

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