Modern Math: Circle

Select the radius in the image

A chord that passes through the center of the circle is called?

• radius

• arc

• diameter

• circumference

• radius

• center

• diameter

• chord

What is line BD?

• chord

• radius

• secant

• tangent

what is H?

What is arc DF?

• major arc

• semicircle

• radius

• minor arc

Drew has trained his dog to jump through a ring. According to his measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?

• 21.98 ft

• 10.99 ft

• 12.25 ft

• 38.47 ft

A cruise ship has a large circular window. It has a diameter of 6 meters. What is the window's area?

• 113.04 square meters

• 9.42 square meters

• 18.84 square meters

• 28.26 square meters

Find the circumference of a circle with a radius of 12.5 millimeters

• 37.68 mm

• 78.50 mm

• 18.84 mm

• none of these