Vocabulary
Name a shape that has no edges.
Circle
What is the circumference of a circle if:
the radius = 7 yds?
43.96 or 14π yds
What is the area of a square if:
the side length = 6 in
36 in2
4m=28
m=7
Name the line in a circle that cuts it in half.
Diameter
What is the circumference of a circle if:
the radius = 9 yds?
56.52 yds
What is the area of a triangle if:
the base = 3 ft and height = 6 ft
9 ft2
2x+5=19
x=7
Word used to describe angles that add up to 90 degrees
Complimentary angles
What do you call half of the Diameter?
Radius
What is the circumference of a circle if:
the radius = 8.4 yds?
52.752 yds
What is the area of a circle if:
the Diameter = 12 feet?
113.04 ft2
7a−4=2a+21
a=5
The word used to describe angles that add up to 180 degrees.
Supplementary angles
The outside measurement of a circle.
Circumference
What is the circumference of a circle if:
the radius = 7.4 yds?
46.472 yds
What is the area of a circle if:
the diameter = 8 in
50.24 in2
3(x+4)−5=19
x=4
Angles that share a vertex and a side are described as what? (next to)
Adjacent angles
The measurement of the inside of a circle
Area
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.
What is 59 ft?
What is the area of a circle if:
the diameter = 9 yd
63.585 yd2
2(x−3)+5=3(x+1)−7
x=3
Angles that are opposite each other and have the same measurement are considered what type of angles?