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Circle Geometry Concepts

Circle Geometry Concepts

Assessment

Interactive Video

•

Mathematics

•

6th - 7th Grade

•

Practice Problem

•

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers lessons 9.1 and 9.2, focusing on the concepts of circumference, area, and volume of circles. It provides definitions of key terms such as radius, diameter, and chord, and explains how to calculate the circumference and area of circles using formulas. The tutorial includes guided practice problems to reinforce learning and demonstrates the use of pi in calculations. The video also discusses the relationship between circumference and area, and provides homework assignments for further practice.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for a line segment that passes through the center of a circle and has its endpoints on the circle?

Tangent

Diameter

Chord

Radius

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a more accurate representation of pi?

3.142

3.1415

3.14

22/7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a circle has a diameter of 10 units, what is its circumference using pi as 3.14?

31.4 units

30 units

28.5 units

32 units

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the circumference of a circle if only the radius is given?

2πr

πd

πr²

2d

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of a circle with a radius of 7 units using pi as 3.14?

155 square units

150 square units

154 square units

153.86 square units

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate the area of a circle?

πd

2πr

πr²

d²

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the circumference of a circle is 44 units, what is the diameter using pi as 3.14?

14 units

15 units

14.5 units

13 units

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