Answer:
a)2πr(50/360) b) 25 c)2πr(102/360) d)2πr(113/360)
Explanation:
arc length formula is 2πr(α/360)
a)2πr(50/360)
b)x*2=50 x=25
c)51*2=102 2πr(102/360)
d)360-(102+145)=113 2πr(113/360)
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