Question

Find the area of a Triangular Park , whose sides are 120 m 100 m and 60 m
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Answer 1

Answer:

A = 2933.33 m2

Step-by-step explanation:

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Answer 2

Answer:

2,993.3259094 m^2

Step-by-step explanation:

consider,

a=120m, b=100m, c=60m respectively.

By Hero's formula,

Area of triangle =

$\sqrt{s(s - a)(s - b)( s- c)}$

(where 2s=a+b+c)

∴ 2s = 120+100+60 = 280

∴ s = 280/2 = 140

Area =

$= \sqrt{ 140 (140 - 120)(140 - 100)(140 - 60)} \\ = \sqrt{140 \times 20 \times 40 \times80 } \\ = \sqrt{8,960,000} \\ = 2,993.3259094$