Answer:
c=10cm
Step-by-step explanation:
a²+b²=c²
6²+8²=c²
36+64=c²
100=c²
10=c
x = - 7
( x + 139 ) and 132 are vertically opposite angles.
Vertically opposite angles are equal,
x + 139 = 132
x = 132 - 139
The answer is 4x + 6y.
sin a= 4/5 tan b=3/5
im not 100% sure but im open for suggestions