Math, asked by mitul18, 10 months ago

what is the area of the triangle whose sides are 20 centimetre 15 centimetre and 9 centimetre​

Answers

Answered by lakshkon
1

Answer:

63.27 cm ^2

Step-by-step explanation:

From Heron'S Formula , Area = √ s (s-a) (s-b) (s-c)

Given,

A = 20, b = 15 , c = 9.

s = a + b + c / 2

= 20 + 15 + 9 / 2

= 44 / 2

= 22cm

Area = √ 22 (22-20) (22-15) (22-9)

= √ 22 * 2 * 7 * 13

= √ 4004

= 63.27 cm ^2

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