Question

Please help need quick

Answer 1

a = 1

Explanation:

It is an isosceles triangle (angle 45°, 90°, 45°), therefore a = b

Using pitagoras:

`(√(2) )^(2)=a^(2)+a^(2) \\2 = 2a^(2) \\(2)/(2)  = a^(2) \\1 = a^(2)\\1 = a`