Question

3. For an isosceles right angled triangle having each of equal sides a, find the perimeter

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Answer 1

Answer:

the correct answer is given in the picture

Answer 2

Answer:

3.4142a

Step-by-step explanation:

Since the tri is isosceles and right angled too

its sides are

a

a

and

a*√2

So perimeter=a+a+a√2

=a(1+1+√2)

=3.4142a