Question

The perimeter of an isosceles right-angled triangle is having a as each of the equal sides is

Answer 1

since its a rt angled triangle with two sides= a

therefore 3rd side=

(a^2+a^2)^1/2=a(2^1/2)

perimeter=a+a+(2^1/2)a= 2a+(2^1/2)a

Answer 2

1 by 2 a squareI thinj its cireect