Arc Length Radians

The length of an arc is 18cm and the radius of the circle is 6cm. What is the radian measure of the central angle?

• 3 radian

• 2 radian

• 4 radian

• 2π radian

Tags

CCSS.HSF.TF.A.1

A central angle measure 4.5 radians and has an arc of 35 inches. What is the radius of the circle?

• 7.78 inches

• 8.21 inches

• 157.5 inches

• 7 inches

Tags

CCSS.HSG.C.B.5

Find the arc length.

• 3π/4 ft

• 39π/4 ft

• 13π/4 ft

• 4π/13 ft

Tags

CCSS.HSG.C.B.5

Find the arc length of the bolded arc. Give your answer in terms of π.

• (65/12)π cm

• 17.02 cm

• (845/24)π cm

• 26π cm

Tags

CCSS.HSG.C.B.5

What is the formula for arc length (when you are given an angle in radians)?

Tags

CCSS.HSG.C.B.5

Solve for the arc length in the circle shown.

Mathematical Equivalence

ON

Tags

CCSS.HSG.C.B.5

The diameter of a circle is 8 centimeters. A central angle of the circle intercepts an arc of 12 centimeters. What is the radian measure of the angle?

Mathematical Equivalence

ON

Tags

CCSS.HSF.TF.A.1

What is the length of arc BB'?

• 30pi

• 1/3

• 10pi

• 4/3pi

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Tags

CCSS.HSG.C.B.5

Find arc length

• 114π/5 ft

• 2850 ft

• 95π/6 ft

• 150π/19 ft

Tags

CCSS.HSG.C.B.5