Question

The perimeter of isosceles triangle is 100 cm if the base is 36 cm find the length of equal sides

Answer 1

Let the equal sides be x.
Therefore x+x+36=100
2x=100-36
2x=64
x=64/2
x=32cm

Answer 2

Answer:

32 cm.

Step-by-step explanation:

Given:- Perimeter of an Isosceles triangle = 100 cm. Base = 36 cm.

To Find:- Length of the equal sides of the isosceles triangle.

Solution:-

In an Isosceles triangle, two sides are equal and makes an equal angle with the base that is the third side.

We know that Perimeter is equal to the sum of all the sides of a triangle.

According to question, Perimeter = 100 cm and base = 36 cm.

Let the two equal sides be x.

Therefore, we can write that

Perimeter = x + x + base

⇒ 100 = x + x + 36

⇒ 100 = 2x + 36

⇒ 2x = 100 - 36

⇒ 2x = 64

⇒ x = 64 ÷ 2

⇒ x = 32 cm.

Therefore, the length of equal sides is 32 cm.

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