11.6 Jepordy

Area and/or circumference of circles

100

Find the area and circumference of a circle with a diameter of 12 inches (remember units!)

Area: 36π in²

Circumference: 24π in

300

Find the area and circumference of a circle with a radius of 7.5 cm (remember units!).

Area: 56.25π cm²

Circumference: 15π cm

500

Find the area and circumference of a circle with a radius of 5√17 cm (remember units!).

Area: 425π cm²

Circumference: 10√17 cm

1000

Find the area and circumference of a circle with a radius of 6√14-9 cm (remember units!).

Area: (585-108√14)π cm²

Circumference: (12√14-18)π cm

Area of Sectors

100

Find the area of the sector of a circle that is 45° with a radius of 5.

2π

300

Find the area of the sector of a circle that is 120° with a radius of 9.

27π

500

Find the area of the sector of a circle that is 30° with a radius of 12.

12π

1000

Find the area of a sector of a circle that is intercepted by a 40° inscribed angle and has a diameter of 36.

72π units²

Area of Segments

100

Find the area of a segment of a circle whose radius is 6 and arc is 120^°.

12π-9√3

300

Find the area of a segment of a circle whose radius is 8 and arc is 90^°.

16π-32

500

Find the area of the segment in this image.

32π/3-16√3

1000

Find the area of a segment of a circle that is intercepted by a 30° inscribed angle and has a diameter of 12.

6π - 9√3 units²