Question

The perimeter of a triangle is 240m.if two sides are 78m and 50m find length of third side of triangle and also find area of triangle​

Answer 1

Answer:

The perimeter of a triangle is 256m

Step-by-step explanation:

The third side is 52 m

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Answer 2

$\Large \fbox \red {Answer \: :}$

• Perimeter of triangle = 240m

• One side (a) = 78m

• Second side (b) = 50m

• Third side (c) = x [let the third side be x]

$\implies$ Perimeter of triangle = 240m

Perimeter of triangle = a + b + c

240 = 78 + 50 + x

240 = 128 + x

240 - 128 = x

112 = x

$\implies$ Third side of triangle = x = 112m

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