Review Sector Area and Arc Length

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

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.

• 25.2 in²

• 28.5 in²

• 31.4 in²

• 38.2 in²

Tags

CCSS.HSG.C.B.5

Find the radius of Circle R.

• $4$

• $\frac{45}{2}$

• $45\pi$

• $7$

Tags

CCSS.HSG.C.B.5

If the area of the 45° region of this circle is 0.4π inches squared, what is the radius of the circle?

• 1.6in

• 3in

• 6.8in

• 2.5in

Tags

CCSS.HSG.C.B.5

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90
• 60
• 55
• 113

Tags

CCSS.HSG.C.B.5

A sector of a circle has an area 64π in². If the radius of the circle is 16 in what is the measure of the arc for that sector?

• 30°

• 45°

• 60°

• 90°

Tags

CCSS.HSG.C.B.5

Find the circumference of circle R.

• $108\pi$

• $1200\pi$

• $\frac{3}{4}\pi$

• $30\pi$

Tags

CCSS.HSG.C.B.5

Find the length of arc WY.

• $\frac{25}{6}\pi$ m

• $\frac{25}{3}\pi$ m

• $\frac{65}{6}\pi$ m

• $\frac{65}{3}\pi$ m

Tags

CCSS.HSG.C.B.5

FIND THE SECTOR AREA OUTLINED IN BOLD

• A
• B
• C
• D

Tags

CCSS.HSG.C.B.5