Question

13. Two equal sides of an isosceles triangle are (3x - 1) units and (2x + 2) units. The
third side is 2x units. Find x and the perimeter of the triangle.​

Answer 1

Step-by-step explanation:

Since, it's an isosceles triangle

Therefore, (3x - 1) = (2x + 2)

3x - 2x = 2+1

x = 3

Side A = 8 units

Side B = 8 units

Side C = 2x units

= 6 units

Perimeter of the triangle = ( 8 + 8 + 6) units

= 22 units

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Answer 2

Answer:

According to the given information x=3 units and perimetre is 22 units

Step-by-step explanation:

3x-1=2x+2

3x-2x=2+1

x=3

perimetre= (3x-1)+(2x+2)+(2x)

p=(9-1)+(6+2)+(2*3)

p=8+8+6

p=22 units

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