Answer:
Step-by-step explanation:
Answer:
4th option
Step-by-step explanation:
The chord- chord angle 67.5° is half the sum of the arcs intercepted by the angle and its vertical angle, that is
67.5 =
(x + 90)
Answer:
3.14*9^2*12/3=
Step-by-step explanation:
V=π*r^2*h/3
3
Answer:
v
Step-by-step explanation: