Arcs and Sectors Flashcard Review

Front

What is the formula for the area of a sector?

Back

Front

How do you find the length of an arc in a circle?

Back

Front

What is the relationship between degrees and radians?

Back

Front

If the central angle of a sector is 90 degrees, what is its radian measure?

Back

Front

What is the area of a circle with a radius of 5 inches?

Back

Front

How do you calculate the area of a shaded sector given the radius and central angle?

Back

Front

What is the formula to find the radius if the arc length and central angle are known?

Back

Front

What is the area of a sector with a radius of 10 inches and a central angle of 60 degrees?

Back

Front

Back

Front

If the length of an arc is 15.8π ft, what is the radius if the central angle is 45 degrees?

Back