Circle Formula

Circle Formula

7th Grade

15 Qs

quiz-placeholder

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Circle Formula

Circle Formula

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

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

Media Image

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

Media Image

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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