Answered

Westonci.ca makes finding answers easy, with a community of experts ready to provide you with the information you seek. Discover a wealth of knowledge from professionals across various disciplines on our user-friendly Q&A platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

Find the arc length 4 110°
​

Sagot :

Sumikshya1104

Answer:

Let the radius of the circle be r cm and the arc Ab of length 5π cm subtends abgle θ at the centre O of the circle. Then ,

Arc AB=5 π cm and Area of sector OAB=20 πcm

2

⇒

360

θ

×2πr=5πand

360

θ

×πr

2

=20π

⇒

360

θ

×2πr

360

θ

×πr

2

=

5π

20π

⇒

2

r

=4

⇒ r=8cm

We have Area =

2

1

lr⇒20π=

2

1

×5π×r⇒r=8cm

solution

Expand-image

We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.