Math, asked by yogeshmishraym96, 2 months ago

If l 15.2cm A-30.4 m2 find b​

Answers

Answered by UniqueBabe
28

Answer:

LetAOBbe the sector withOas center.

Given: Radius

=

r=

5.2

cm

Perimeter of sector

=

16.4

cm

So,

OA+

AB+

OB=

16.4

⇒ 5.2+ 5.2+ AB= 16.4

⇒ AB= 6 cm

Area of sector

=

2

1

rl

=

2

1

×

5.2×

6

=

15.6

cm

2

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