Answer:
Step-by-step explanation:
z=45
in right triangle
One angle is always 90°
z+z+90=180
2z=90
z=45
2)similarily of the first one but doing same on both side
45+45=90
s=90
3) cos 45=adj/hyp
cos45=x/2
(cos45=1/√2)
1/√2=x/2
2/√2=x
2x√2/√2x√2=x
2√2/2=x
x=√2 cm
