Mathematics
Medium
Question
The sector of a circle has radius of 21 cm and central angle 135o. Find its perimeter?
A
91.5 cm
✓ Official correct answer
B
93.5 cm
C
94.5 cm
D
92.5 cm
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A
91.5 cm
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B
93.5 cm
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C
94.5 cm
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D
92.5 cm
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