Question

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10. Two equal sides of an isoscles triangle are each 2 cm more than thrice the third side.
the perimeter of triangle is 67 cm, find the lengths of its sides.
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11. Length of a rectangle is 16 cm less than twice its breadth. If the perimeter of the​

Answer 1

Answer:

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Step-by-step explanation:

Let the third side be 'x'

According to the question,

the two other sides are (3x + 2) cm

Perimeter = 67 cm

⇒ x + (3x + 2) + (3x + 2) = 67

⇒ 7x = 67 – 4

⇒ 7x = 63

⇒ x = 9 cm

So, one side x = 9 cm

Other two sides = 3x + 2 = 18 + 2 = 20 cm