Geometry - Circles (week 18 days 1-5)

1, 3, 2, 4

Put the list of circles below in order from the the one that has the smallest area to the one that has the largest area. Circle 1 - has a diameter of 8 meters Circle 2 - has a radius of 6 meters Circle 3 - has an area of 78.5 meters sq. Circle 4 - has a circumference 50.24 cm.

94.985 in sq.

The circumference of a circle is 34.54 (used 3.14 for pi). What is the area, in square inches, of the circle? Use 3.14 for pi.

113.04 cm sq.

What is the area of a circle with a diameter of 12 cm?

7 and 8

Given the list below, which 2 circles have areas that differ by exactly 25.12 yards (if we use 3.14 for pi)? Circle 5 - has a diameter of 3 yards Circle 6 - has a radius of 2 yards Circle 7 - has an area of 3.14 yards sq. Circle 8 - has a circumference of 18.84 yards

6

Given the list below, which circle has the same circumference and area (but with different labels)? Circle 5 - has a diameter of 3 yards Circle 6 - has a radius of 2 yards Circle 7 - has an area of 3.14 yards sq. Circle 8 - has a circumference of 18.84 yards

Circle 1

Given the list of circles below, which circle has a circumference of 25.12 meters? Circle 1 - has a diameter of 8 meters Circle 2 - has a radius of 6 meters Circle 3 - has an area of 78.5 meters sq. Circle 4 - has a circumference 50.24 cm.

Circle 4

Given the list of circles below, which circle has the largest area? Circle 1 - has a diameter of 8 meters Circle 2 - has a radius of 6 meters Circle 3 - has an area of 78.5 meters sq. Circle 4 - has a circumference 50.24 cm.

7, 5, 6, 8

Put the circles in order from the one that has the smallest circumference to the one that has the largest circumference. Circle 5 - has a diameter of 3 yards Circle 6 - has a radius of 2 yards Circle 7 - has an area of 3.14 yards sq. Circle 8 - has a circumference of 18.84 yards

1 inch

The area of the apple pie is 38.465 in sq and the area of the cherry pie is 64.585 in sq. What is the difference in the radius of the 2 pies?

452.16 in sq.

The circumference of a circle is 75.36 inches (if we used 3.14 for pi). What is the area of the circle, in square inches?

78.5 cm sq.

The diameter of circle is 10 cm. What is the area, in square cm, of the circle? Use 3.14 for pi.

37.7 km

The mean radius of Binkley Park is 19 km and the mean radius of Downtown Park is 25km. What is the approximate difference in the mean circumferences, in km, of the 2 parks? Round your answer to the nearest tenth of kilometer and use 3.14 for pi.

18.84 in

The mean radius of a cheese pizza is 5 inches and the mean radius of the supreme pizza is 8 inches. Use 3.14 for pi, what is the approximate difference in the mean circumferences, in inches, of the 2 pizzas?

452.16 m sq.

What is the area, in meters, of a circle that has a circumference of 75.36 meters? use 3.14 for pi.

132.67 mm sq

What is the area, in mm, of a circle that has a diameter of 13 mm? Use 3.14 for pi, round your answer to the nearest hundredth of a square mm.

31.4 cm

What is the circumference of a circle that has a radius of 5 cm?

10 cm

What is the diameter, in centimeters, of a circle that has a circumference of 31.4 centimeters? if we used 3.14 for pi.

7 cm

What is the radius, in cm, of a circle that has an area of 153.86 cm sq? If we used 3.14 for pi.

Circle A

Which circle from the list below has the largest area? used 3.14 for pi. Circle A - has a radius of 12 inches Circle B - has a diameter of 15 inches Circle C - has an area of 153.86 inches squared Circle D - has a circumference of 31.4 inches

Circle D

Which circle from the list below has the smallest diameter? used 3.14 for pi. Circle A - has a radius of 12 inches Circle B - has a diameter of 15 inches Circle C - has an area of 153.86 inches squared Circle D - has a circumference of 31.4 inches

Circle Z

Which circle from the list below has the smallest radius? use 3.14 for pi Circle W - has a radius of 11 cm Circle X - has a diameter of 16 cm Circle Y - has an area of 452.16 cm sq. Circle Z - has a circumference of 21.98 cm

Circle X

Which circle has the largest circumference? use 3.14 for pi. Circle W - has a radius of 11 cm Circle X - has a diameter of 16 cm Circle Y - has an area of 452.16 cm sq. Circle Z - has a circumference of 21.98 cm