Question

each of the 2 equal sides of an isosceles triangle is twice as large as the third side.if the perimeter of the triangle is 30 cm,find the length of each side of the triangle

Answer 1

Answer:

Let an isosceles triangle have equal sides in length of 2x cm

So, x cm be the third side of the triangle

Perimeter of the triangle =30 cm

⇒ x+2x+2x=30

⇒ 5x=30

⇒ x=

5

30

⇒ x=6

Therefore, the required sides of the isosceles triangle are 6,12 and 12 cm

Step-by-step explanation:

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Answer 2

Answer:

The length of the 1st side of the triangle is :6cm

2nd : 12

3rd: 12