Question

find the perimeter of an isosceles triangle whose two equal sides are 15 cm and the third side is 20 cm long.​

Answer 1

Answer:

50cm

Step-by-step explanation:

perimeter = 15 + 15 + 20

= 50 cm

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Answer 2

Answer:

50cms.

Step-by-step explanation:

Perimeter of an Isosceles Triangle = Sum of all sides

= (15+15+20)cms

= 50cms

Hence, Perimeter of the Isosceles Triangle is 50cms