In a circle of radius 21 cm an arc subtends an angle of 270 degrees at the centre find the length of the arc??
plz answer fast....
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Step-by-step explanation:
Answer is in picture part
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Answered by
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Answer:
99 cm is the right answer.
Step-by-step explanation:
=270°/360°×(2πr)
=270°/360°×2(22/7)21
by solving above numerical
=99cm
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