Answer:
There were 45 pies sold in all.
Step-by-step explanation:
10 + 15 = 25
25 + 20 = 45
Answer:
x = 100°
Step-by-step explanation:
The measure of a chord- chord angle is half the sum of the arcs intercepted by the angle and its vertical angle, that is
x =
(71 + 129)° = 0.5 × 200° = 100°
Answer:
Step-by-step explanation:

Answer:
False, the angles remain unchanged
Step-by-step explanation: