Answer:
she is correct
Step-by-step explanation:
because according to the Pythagorean theorem the interior of a triangle has to be 180 degrees total.
and a straight line has an angle of 180
so the inside of the C angle is 50
60+50+70=180
Answer:
3
Step-by-step explanation:
Answer:
10x + 5
Step-by-step explanation:

22 x 4 = 88 feet(c) or 650 X 2 = 1300
8^2+15^2= 64+225=c^2
=289
=17