If the diameter of the circle is 150cm less than the circumference, what is the length of its circumference?
If the sum of the circumference and the diameter of a circle is 145cm, what is the the length of its circumference?
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Answer:
Step-by-step explanation:
πd-d = 105 cm
⇒ (π -1 ) d = 105 cm
⇒ [(22/7)-1] x d = 105 cm
∴ d = (7/15) x 105 cm = 49 cm
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