Unit 7 Lesson 1 HW
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Krystal Brown
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the circumference of a circle using the radius?
C = 2πr
C = πd
C = 2πd
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of a diameter?
The distance from the center of a circle to any point on the circle
The distance across a circle through the center
The distance around a circle
A tool used to construct circles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Pi (π) approximately?
3.14
2.71
1.62
3.00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the circumference of a circle if the diameter is 10 units?
31.4 units
20 units
15.7 units
25 units
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to find the circumference of a circle using the diameter?
C = 2πr
C = πd
C = 2πd
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the diameter of a circle is 12 inches, what is the circumference? Use π = 3.14.
37.68 inches
36.00 inches
38.00 inches
35.50 inches
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the radius of a circle is 14 cm, what is the circumference? Use π = 3.14.
87.92 cm
88.00 cm
85.00 cm
90.00 cm
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