the circumference of a circle exceeds the diameter by 16.8, find the circumference of the circle (the answer at the back of book shows that it's 24.51,i don't know how to do it though)
Answers
Answered by
2
Given,
That the circumference of a circle exceeds its diameter by 16.8cm .
⇒2πr−2r=16.8
⇒2r(π−1)=16.8
⇒2r(
7
22
−1)=16.8
⇒2r=
15
16.8×7
⇒r=
30
16.8×7
=
300
168×7
=3.92cm.
Hence, circumference of circle is 3.92cm
Answered by
1
Answer:
d+16.8 = 2πr
U can solve this way
Step-by-step explanation:
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Add the Value of Pi to make things easier
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