Answer:
46.86
Step-by-step explanation:
a^2+b^2=c^2
30^2+36^2=c^2
2196=c^2
Square root both sides
46.86=c
? You do 5+2= 7
Is that what you are asking
ANSWER



EXPLANATION
Since line l is parallel to line m,

because the two angles are vertically opposite angles.

because the two angles are corresponding angles.

because the two angles are alternate exterior angles.