If the radius of a circle is 5 inches, what is the diameter?
Circles- Radius & Diameter

Quiz
•
Mathematics
•
7th Grade
•
Hard
Quizizz Content
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
8 inches
10 inches
12 inches
6 inches
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If the radius of a circle is 10 meters, what is the area of the circle? (Use A = πr²)
Approximately 314.16 square meters.
Approximately 157.08 square meters.
Approximately 78.54 square meters.
Approximately 100 square meters.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the definition of a radius?
The radius is the distance from the center of a circle to any point on its circumference.
The radius is the length of a line segment that connects two points on a circle.
The radius is the total distance around the circle.
The radius is the diameter of the circle divided by two.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Is the line segment from the center to the edge of the circle called the radius or diameter?
Radius
Diameter
Chord
Circumference
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If the diameter of a circle is 14 inches, what is the radius?
5 inches
6 inches
7 inches
8 inches
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the formula to find the radius if the diameter is known?
Radius = Diameter / 2
Radius = Diameter x 2
Radius = Diameter + 2
Radius = Diameter - 2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If a circle has a radius of 3 feet, what is its diameter?
4 feet
5 feet
6 feet
7 feet
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