Angular coordinates and Angular displacement

Rohit bought a pizza of radius of 0.5 m. A fly lands on the pizza and walks around the edge for a distance of 80 cm. Calculate the angular displacement of the fly?

• I don't know how to solve it

• 3.5 m

• 0.16 radians

• 0.16 degrees

• 3.5 radians

There are 2π ___________ in one revolution of a circle.

• Gradiens

• Radians

• Degrees

• None of the Above

What is the angular coordinate of the point shown below?

• 15°

• 75°

• 285°

• 345°

What is the angular coordinate of the point shown on the polar grid below?

• 120°

• 210°

• 300°

• $\frac{7\pi}{6}radians$

What Are Degrees?

• Degrees are a unit of measurement of an angle.

• An angle measured in degrees is written as number followed by the degree symbol °

• There are 360 degrees in a full rotation.

• All of the above

How many degrees and radians are in the angle in the center of the circle below?

• 0

• 180

• $2\pi$

• 360