Which formula can be used to find the length of the secants in the diagram?
Circle Formula

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a∙b=c∙d
outside∙whole=outside∙whole
angle = 1/2(arc + arc)
angle = 1/2(big - small)
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is the formula for circumference of a circle given the diameter?
C = π r
C = 2 π r
C = π d
C = 2 π d
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Which formula would help you solve the following problem: A circle has a diameter of 7.6 feet. What is the circumference of the circle in feet?
4.
MULTIPLE SELECT QUESTION
1 min • 5 pts
What two formulas can you use to find the circumference?
C = π·d
C = π·r2
C = 2·π·r
C = d2
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The radius of the circle is 9 meters. What is the circle's circumference?
9 meters
28.26 meters
56.52 meters
18 meters
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
find the area of the circle with radius 3 cm below.
100 cm2
225 cm2
9 cm2
28.26 cm2
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
A circular swimming pool is 21 feet in diameter. Which formula below will help you determine the circumference of the pool?
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