If the perimeter of a semi-circular protractor is 36cm, then its radius is
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4
Answer:
Answer. ⇒ r = 7 cm. ∴ The diameter of the protractor is (2 × 7) cm = 14 cm.
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1
Answer:
252/29
Step-by-step explanation:
(pie×r)+r =36
simplify it
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