in a circle with radius 20cm the area of a sector formed by 10cm long arc is
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Answered by
0
Answer:
what is theta angle measure here
Answered by
2
Step-by-step explanation:
Given, radius, r=20 cm, central angle, θ=90
o
, π=3.14
Area of sector =
360
o
θ
×πr
2
=
360
o
90
o
×3.14×20×20
=
4
1
×
100
314
×20×20
=314
∴ the area of sector is 314 cm square..
hope it helps....
.
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