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77. What is the circumference of the larger circle

shown above in terms of x?
A. 10 π x
B. 10 π +x
C. 10 π +2x
D. 10π+ 2πx

77. What is the circumference of the larger circle shown above in terms of x? A. 10 π x-example-1

2 Answers

7 votes
The correct answer is C=10
User Abhishek Luthra
by
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3 votes


\textit{circumference of a circle}\\\\ C=2\pi r ~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=5+x \end{cases}\implies C=2\pi (5+x)\implies C=10\pi +2\pi x

User Elmor
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6.4k points