Area Circumference Coordinate Plane

Approximately, what is the area of the circle?

• 9.42 sq. units

• 18.84 sq. units

• 15.7 sq. units

• 28.26 sq. units

A circle has a center at (-2,-7). The radius of the circle extends to the point (3, -7). What is the circumference of the circle?

• 5π units

• 10π units

• 15π units

• 20π units

A circle has its center at (3, -2).  The radius extends to the point (3, 2).  What is the approximate circumference of the circle?

• 8 units

• 13 units

• 25 units

• 50 units

The diameter of a circle on the coordinate plane has endpoints (2, 3) and (2, 8).  What is the approximate area of the circle?

• 16 units

• 20 units

• 25 units

• 79 units

What is the approximate circumference of the circle that has a center at (0, 0) and passes through the point (-2, 0)?

• 6 units

• 13 units

• 12 units

• 155 units

What is the approximate area of the circle that has a center at (9, 9) and passes through the point (2, 9)?

• 44 sq. units

• 154 sq. units

• 22 sq. units

• 11 sq. units

The diameter of a circle passes through the points (12, -3) and (5, -3).  What is the approximate area of the circle?

• 6 sq. units

• 11 sq. units

• 38 sq. units

• 22 sq. units

The diameter of a circle passes through the points (-8, 6) and (10, 6).  What is the approximate circumference of the circle?  

• 6.28 units

• 12.56 units

• 25.12 units

• 56.52 units

Approximately, what is the circumference?

• 9.42 units

• 13.59 units

• 15.12 units

• 18.84 units

Approximately, what is the area?

• 7.85 sq. units

• 31.4 sq. units

• 78.5 sq. units

• 131.25 sq. units