Question

isosceles triangle having equal sides as 40 cm and third sides as 20 cm.​

Answer 1

Answer:

the perimeter of the isosceles triangle = 40+40+ 20

= 100cm

Step-by-step explanation:

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Answer 2

Let the length of equal sides be x.$

Two sides are equal

Then,

x+x+16=40

2x=24

x=12 cm !!

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