
Understanding Circle Area Calculation
Interactive Video
•
Mathematics, Science
•
5th - 8th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in determining the amount of grass needed for the courtyard?
Calculate the perimeter of the circle
Find the area of the circle
Measure the height of the courtyard
Determine the volume of the courtyard
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the radius of a circle related to its diameter?
The radius is half the diameter
The radius is unrelated to the diameter
The radius is equal to the diameter
The radius is twice the diameter
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is 14.7 feet, what is the radius?
3.675 feet
29.4 feet
14.7 feet
7.35 feet
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What formula is used to calculate the area of a circle?
πr
2πr
πd²
πr²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of a circle with a radius of 7.35 feet?
150.50 square feet
180.25 square feet
169.72 square feet
200.00 square feet
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which key is used to enter the value of π on a calculator?
The subtraction key
The exponent key
The division key
The addition key
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To what decimal place should the area be rounded?
Whole number
Hundredths place
Thousandths place
Tenths place
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