Answer:
y = 9
x = 9√2
Step-by-step explanation:
tan 45= y/9
1=y/9
cross multiply
y= 9
sin 45=y/x
but y= 9
sin 45 = 9/x
0.7071=9/x
0.7071x= 9
x= 9/0.7071
x= 9√2
