Math Finding the Variable Worksheets

Find the value of missing side.

• 7

• 14

• 2

• 10

Find the value of missing side.

• 1

Find the value of missing side.

Find the value of missing side.

What two formulas can you use to find the circumference?

• C = π·d

• C = π·r²

• C = 2·π·r

• C = d²

What does C represent in the formula: C = π·d

• Pi

• Circumference

• Diameter

• Area

What does d represent in the formula:

C = π·d

• diameter

• radius

• pi

• 3.14

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

Find the circumference of the circle.

• 18.8 cm

• 113 cm

• 37.7 cm

• 452.2 cm

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm