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The perimeter of a triangle is 30πcm and the circumference of its incircle is 88 cm. The area of the triangle is
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Given:
– Perimeter of triangle = 30π cm ⇒ Semiperimeter, s = 15π cm.
– Circumference of incircle = 88 cm ⇒ Radius, r = 88 / (2π) = 14 cm.
Area of triangle = s × r = 15π × 14 = 210π cm².
Approximate π ≈ 22/7:
Area ≈ 210 × (22/7) = 660 cm².
This question related to Chapter 11 Mathematics Class 10th NCERT. From the Chapter 11 Area related to Circle. Give answer according to your understanding.
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