3. If the measure of a sector of a circle with radius 7 cm is 90°, what is
the perimeter of the sector?
Answers
Answered by
1
Answer:
11cm
Step-by-step explanation:
∅/360 * 2πr
=90/360*22/7*2*7
=11 cm
Answered by
2
Answer:25cm
Step-by-step explanation:
Perimeter of sector =perimeter of quadrant
= 2r+22/7×7/2= 14+11 = 25 cm
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