Non-circle
A semi circle has a radius of 4 yds
What is the area of the semi circle?
25.12 yds2
What is the circumference of a circle if:
the radius = 7 yds
43.96 yds
What is the circumference of a circle if:
the Diameter = 4 in
12.56 in
What is the area of a circle if:
the Radius = 6 in
113.04 in2
Two angles that share a common side and have the same vertex
Adjacent Angles
Is it possible to have a triangle with the angles of 48, 37, and 95?
Yes
What is the circumference of a circle if:
the radius = 9 yds
56.52 yds
What is the circumference of a circle if:
the Diameter = 10 in
31.40 in
What is the area of a circle if:
the Radius = 3 ft
28.26 ft2
Two angles that have a sum of 90 degress
Complementary Angles
Is it possible to have a triangle with the angles of 30, 30, and 90?
No
What is the circumference of a circle if:
the radius = 8.4 yds
52.75 yds
What is the area of a circle if:
the Radius = 14 in
615.44 in2
What is the area of a circle if:
the Diameter = 12 feet
113.04 ft2
Two angles that have a sum of 180 degrees
Supplementary
Is it possible to have a quadrilateral with the angles of 80, 80, 50, 150?
Yes
What is the circumference of a circle if:
the radius = 7.4 yds?
46.47 yds
What is the Area of a circle if:
the Diameter = 14 in
153.86 in2
What is the area of a circle if:
the diameter = 8 in
50.24 in2
Two angles that are opposite angles formed by an intersection of two lines (they have the same measure and they create two v's or an x)
Vertical Angles
Is it possible to have a quadrilateral with the angles of 50, 60, 70, 170?
No
The circular fountain in front of the courthouse has a radius of 9.4 feet. What is the circumference of the fountain? Round to the nearest tenth.
59 ft
What is the circumference AND area of a circle if:
the Diameter = 10 in.
Circumference: 31.4 in
Area: 78.5 in2
What is the area of a circle if:
the diameter = 9 yd
63.585 yd2
If angle x and and angle y are complementary, are they (always, sometimes, or never) vertical?
sometimes