The circumference of a circle exceeds the diameter by 16.8 cm find the circumference of the circle
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Answered by
3
c is equal to 2 pie r
2×22/7×8.4
44×1.2
52.8 will be the answer
2×22/7×8.4
44×1.2
52.8 will be the answer
johnalbertjohnp0ypxs:
Answer is wrong
Answered by
21
According to the question
Circumference = Diameter + 16.8 cm
So,
2πr = 2r + 16.8 cm
2r(π - 1) = 16.8 cm
2r = 16.8 cm / (π - 1)
2r = 16.8 cm / (22/7 - 1)
2r = 7.84 cm
Circumference = 2r × π
= 7.84 cm × 22/7
= 24.64 cm
∴ Circumference of circle = 24.64 cm
Circumference = Diameter + 16.8 cm
So,
2πr = 2r + 16.8 cm
2r(π - 1) = 16.8 cm
2r = 16.8 cm / (π - 1)
2r = 16.8 cm / (22/7 - 1)
2r = 7.84 cm
Circumference = 2r × π
= 7.84 cm × 22/7
= 24.64 cm
∴ Circumference of circle = 24.64 cm
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