Find the area of a sector with a central angle of 170 and a diameter of 9.1 cm round to the nearest tenth

1 answer:

8 0

Area of the sector=degrees/360 times area
are=pir^2
d/2=r
9.1=d, 9.1/2=4.55

areasector=170/360 times pi*4.55^2
areasector=17/36 times pi times 20.7025
using our calculator
30.712777013
round
30.7 square cm

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