What's the radius?
d = 8
4
r = 3
6
What is the area of a circle that has a radius of 6?
Answer in terms of pi
36pi
What is the circumference of a circle that has a diameter of 2?
Answer in terms of pi
2pi
3 angles inside of a triangle add up to how many degrees?
180 degrees
d = 20
10
r = 11
22
What is the area of a circle that has a radius of 7?
Use 3.14 for pi
153.86
What is the circumference of a circle that has a diameter of 5?
Use 3.14 for pi
15.7
What is the name of two angles that add up to 180 degrees?
supplementary angles
d = 17
8.5
r = 9.5
19
What is the area of a circle that has a diameter of 16?
Answer in terms of pi
64pi
What is the circumference of a circle that has a radius of 8?
Answer in terms of pi
16pi
What is the name of two angles that add up to 90 degrees?
complementary angles
d = 19.5
9.75
r = 14.35
28.7
What is the area of a circle that has a diameter of 30?
Use 3.14 for pi
706.5
What is the circumference of a circle that has a radius of 18.5?
Use 3.14 for pi
116.18
What is the name of an opposite angles that are formed when two lines intersect?
vertical angles
d = 31.64
15.82
r = 102.451
204.902
What is the area of a circle that has a diameter of 24.5?
Use 3.14 for pi
471.19625
What is the circumference of a circle that has a radius of 9.45?
Use 3.14 for pi
59.346
Angles that are next to each other and share a vertex are called?
Adjacent Angles