Circumference Calculations and Formulas

Circumference Calculations and Formulas

Assessment

Interactive Video

Mathematics

5th - 8th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial teaches how to calculate the perimeter of circles with different shapes, including 3/4, 1/4, and half circles. It provides step-by-step examples using specific formulas and explains when to use different values for π. The tutorial encourages viewers to engage with the content by liking, subscribing, and sharing.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two basic formulae for calculating the circumference of a circle?

k = 2 * v * D or K = V * R

k = v * R or K = 2 * V * D

k = V * D or K = 2 * R * V

k = v * D or K = 2 * V * R

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the formula k = 2 * V * R, what does 'R' represent?

Diameter

Circumference

Radius

Area

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the circumference of a 3/4 circle?

3/4 * V * R + 2R

3/4 * 2 * V * D + 2D

3/4 * V * D + 2D

3/4 * 2 * V * R + 2R

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the radius of a circle is a multiple of 7, which value of V should be used?

3.14

7/22

22/7

3.14159

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the circumference of a 3/4 circle with a radius of 7 cm?

14 cm

22 cm

33 cm

47 cm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the circumference of a 1/4 circle?

1/4 * V * R + 2R

1/4 * 2 * V * D + 2D

1/4 * V * D + 2D

1/4 * 2 * V * R + 2R

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the circumference of a 1/4 circle with a radius of 10 cm?

21.57 cm

15.7 cm

47 cm

36 cm

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