Radius of a sector of a circle is 21 cm. If length of arc of that sector is
55 cm, find the area of the sector
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Answered by
6
Answer:
Step-by-step explanation:
length of arch(l)=55cm
radius(r)=21cm
area of sectot=lr/2
=55(21)/2=577.5cm
Answered by
3
Area of sector =length of arc into 21/2=55 into 21/2=577.5
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