Question

Two sides of a triangle are 13 cm and 16 cm. The perimeter of

triangle is 38cm. Find third side of the triangle.​

Answer 1

Step-by-step explanation:

Perimeter of a triangle = Sum of sides

Let the third side is x,

then,

$38cm = 13cm + 16cm + x$

$38cm = 29cm + x$

$x = 38cm - 29cm$

$x = 9cm$

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