Answer:
8 and 9
Step-by-step explanation:
78 is in between 64 and 81 which are the squares of 8 and 9
Answer:
4x=32a
Step-by-step explanation:
Answer:
x=70
Step-by-step explanation:
it is because equal chord cuts off equal arc.....
(2x + 7) + (2x) + (x + 18) = 180
5x + 25 = 180
5x = 155
x = 31 °