) A sector has a radius 7cm and makes an angle of 90° ,
the perimeter is_____ . pl explain with formula
Answers
Answered by
6
Answer:
11cm
Step-by-step explanation:
perimetre of sector =(Ф / 360 ) x 2π r
= (90 / 360) x 2 x 22/7 x7
= 11 cm
Answered by
0
Answer:
11cm is the correct answer of this question
Step-by-step explanation:
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