

Calculating Radius and Diameter from Circle Area
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Aiden Montgomery
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the area of a circle?
radius squared / Pi
2 * Pi * radius
Pi * radius
Pi * radius squared
Tags
CCSS.7.G.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the radius from the area of a circle?
Square the area and multiply by Pi
Divide area by Pi and take the square root
Add Pi to the area
Multiply area by Pi
Tags
CCSS.7.G.B.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the radius squared from the area of a circle?
Multiply area by Pi
Divide area by Pi
Add Pi to the area
Subtract Pi from the area
Tags
CCSS.7.G.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the radius from the area of a circle?
Divide the area by Pi
Take the square root of the area
Subtract Pi from the area
Multiply the area by Pi
Tags
CCSS.7.G.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the area of a circle is 255434 square feet, what is the radius?
9 feet
18 feet
81 feet
162 feet
Tags
CCSS.7.G.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the diameter of a circle related to the radius?
Diameter is half of the radius
Diameter is twice the radius
Diameter is the square of the radius
Diameter is equal to the radius
Tags
CCSS.7.G.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a circle with an area of 452.16 square meters, what is the diameter?
12 meters
24 meters
36 meters
48 meters
Tags
CCSS.7.G.B.4
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