Why's this page are need an account mamatay na kayo u, just die
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Why's this page are need an account mamatay na kayo u, just dieAnswer
Given that, AB∣∣DC and DC∣∣BC
So from above we can say that given quadrilateral is Parallelogram
⇒∠b+50
0
=180
0
⇒ b=130
0
⇒b+c=180
0
⇒130
0
+c=180
0
⇒c=50
0
⇒d+50
0
=180
0
⇒d=130
0ABCD is a Quadrilateral in which AB parallel DC AND DC PARALLEL BC findGiven
⇒ 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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