Question

the lenghts of two in an isosceles triangle are 8 cm and 4 cm then the perimeter of the triangle is ............cm
1. 16
2. 8
3. 20
4. 12

Answer 1

20cm

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Step-by-step explanation:

sides are 4cm, 8cm, 8cm ----( because isosceles triangle have 2 sides equal )

so, perimeter = sum of all sides

= 4 + 8 + 8

= 20cm

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