Question

find the area of a triangle whose sides are respectively 150 120 cm and 200 CM​

Answer 1

Answer:

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Answer 2

the sides of a triangle are a, b and c.

a = 150 cm

b = 120cm

c = 200cm

$s = \frac{a + b + c}{2} = \frac{150 + 120 + 200}{2} = \frac{470}{2} = 235$

According to question,

Area (A)

$= \sqrt{s(s - a)(s - b)(s - c)} \\ = \sqrt{235(235 - 150)(235 - 120)(235 - 200)} 235(235 - 150)(235 - 120)(235 - 200) \\ = \sqrt{235 \times 85 \times 115 \times 35} \\ = \sqrt{80399375} \\ = </p><p> 8966.57 {cm}^{2}$

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