As we know that,(1) Let the ∠APC be θRadius of circle, r =14 cmArea of sector, A = 154 cm2⇒ θ = 90°(2) Since the angle formed is 90° , which is one–fourth of the perimeter of circle⇒ l = 22 cm

Q. 94.3( 15 Votes )

In figure 7.34, i

Class 10th MHB - Mathematics Part-2 7. Mensuration

Answer :

As we know that,

(1) Let the ∠APC be θ

Radius of circle, r =14 cm

Area of sector, A = 154 cm²

⇒ θ = 90°

(2) Since the angle formed is 90° , which is one–fourth of the perimeter of circle

⇒ l = 22 cm

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