World Languages, asked by Palandr2774, 4 months ago

Why's this page are need an account mamatay na kayo u, just die

Answers

Answered by poonamchhonkar007
11

Explanation:

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

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

=

360

o

θ

×2π×5

∴ θ=

6

360

o

∴ θ=60

o

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