Answer:
The angles that are supplementary to angle 7 includes angle 5 and angle 8.
The equation for this is a^2+b^2=c^2 so your equation would be 7^2+20^2=X
So you square the 7 and the 20 then take the square root of X and you get
X=21.19
:)
Yup, that right there is a math.
Answer:
Step-by-step explanation:
C
