Question

Please help need quick

Answer 1

Answer:

a = 1

Step-by-step explanation:

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

Using pitagoras:

$(\sqrt{2} )^{2}=a^{2}+a^{2} \\2 = 2a^{2} \\\frac{2}{2}  = a^{2} \\1 = a^{2}\\1 = a$