Circles Angles and Triangles

If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32

• 39

• 45

• 54

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

Solve for x.

• 16

• 11

• 50

• 6

Determine the number of degrees the wheel has rotated from the 3:00 position to the 12:00 position.

• 30 degrees

• 90 degrees

• 180 degrees

• 60 degrees

The wheel has rotated __________ degrees when turning from the 3:00 position to the 8:00 position counterclockwise.

Determine the number of degrees the wheel rotates from the 3:00 position to the 4:00 position counterclockwise.

How many degrees are there in a circle?

A Ferris wheel takes 80 seconds to make one full rotation. What is the wheel's angular speed?

• 0.22 degrees per second

• 8 degrees per second

• 2.25 degrees per second

• 4.5 degrees per second

A Ferris wheel has a radius of 40 feet and the platform is 7 feet above the ground when it is at the 6:00 position (the bottom of the wheel). Determine the height of the platform when it is at the 9:00 position.

• 47 feet

• 87 feet

• 38 feet

• 80 feet