A chord of a circle of radius 5cm subtends an angle of 45 degree at the centre
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Answered by
0
Answer:
60
Step-by-step explanation:
Given
⇒ Length of an arc =
3
5π
cm
⇒ r=5cm
⇒ Length of an arc =
360
o
θ
(2πr)
Where, θ is angle subtended at a center.
2πr is circumference of a circle.
∴
3
5π
=
360
o
θ
×2π×5
∴ θ=
6
360
o
∴ θ=60
o
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