When finding area of a circle, if diameter is given, we need to find radius. We can find radius by ___________ diameter by 2.
Finding Diameter and Radius of a Circle

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Adding
Subtracting
Multiplying
Dividing
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is the red line a radius or diameter of the circle?
Radius
Diameter
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If my diameter is 19 inches, what is my radius?
38 inches
9.5 inches
59.66 inches
119.32 inches
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.
4 in.
8 in.
12 in.
16 in.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost?
$8.00
$7.00
$3.50
$0.50
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?
11.32 ft
12.25 ft
10.99 ft
8.75 ft
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Once we have the measurement for radius, we need to __________the radius.
Square
Add
Subtract
Divide
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Square the radius means...
You add the radius by it self two times.
You subtract the radius by it self two times.
You multiply the radius by it self two times.
You divide the radius by it self two times.
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diameter
radius
Circle
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