Math, asked by manjuranarana9, 5 months ago

An arc of a circle of a radius 28cm subtends a right angle at the centre. Find the length of

the arc.

Answers

Answered by utk18th

4

Answer:

ector (OAPBO) of a circle is given whose

radius(r)=28cm

and central angle (θ)=45

∘

∴ Area of sector (A)=

360

∘

πr

2

θ

=

7

22

×

360

∘

28×28×45

∘

⇒ Area of sector =308cm

2

is the required area.

solution

Step-by-step explanation:

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