Question

the perimeter of an isosceles triangle is 19 cm if the base is 7 cm find all the side of the triangle​

Answer 1

Hello Mate,

Here is your answer,

We Know that two sides of an isoceles triangle are equal.

Let the other two sides of triangle = x

Given side = 7cm

Perimeter of triangle = side(1) + side(2) + side(3)

Given:

Perimeter = 19cm

So,

x + x + 7 = 19

2x = 19 - 7

2x = 12

x = 6cm

So, the sides of the isoceles triangle are:-

7cm, 6cm, 6cm

Hope it helps:)

Answer 2

answer. perimeter of triangle =19cm

we know that two sides of isosceles. triangle is equal so, it's to be x

base is 7cm

perimeter of triangle =x+x+7

19 =2x+7

2x=7-19

2x=12

x=6cm

therefore, two sides of triangle is 6cm and base is 7cm