Answer:
1=120
2=30
3=150
4=240
5=300
Step-by-step explanation:
i used a calculator
1.=(2/3,0) 2.=(-3,0) 3.=-10 4.=need a graphing calc 5.=need a graphing calc
What would you like to know? The total surface area? The lateral surface area? The volume, perhaps? The radius?
Answer: congruent central angles
Step-by-step explanation:
A central angle is an angle formed by two radii with the vertex at the center of the circle. In the diagram at the right, ∠AOB is a central angle with an intercepted minor arc from A to B. In a circle, or congruent circles, congruent central angles have congruent arcs.
