Question

The perimeter of an isosceles triangle is 50 cm if its two equal sides is 20cm is than the third side is ?​

Answer 1

Answer:

Given :-

• Perimeter of isosceles triangle = 50 cm
• Two equal side measure 20 cm

To Find :-

Third side

Solution :-

As we know that

Perimeter of isosceles triangle = 2a + b

Here,

2a are the two equal side

b is the unequal side

So,

Equal sides are given.

Let the third side be x

$\tt \: 50 = 2(20) + x$

$\tt \: 50 = 40 + x$

$\tt \: 50 - 40 = x$

$\frak \red{x = 10}$

Hence :-

Measure of third side is 10 cm

Answer 2

Answer:

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