Area of a sector

Front

What is the formula to find the area of a sector?

Back

Front

What does the variable 'x' represent in the area of a sector formula?

Back

'x' represents the central angle of the sector in degrees.

Front

What is the area of a circle with radius r?

Back

Front

If the radius of a sector is 10 cm and the central angle is 90 degrees, what is the area of the sector?

Back

Front

How do you convert the area of a sector from square centimeters to square meters?

Back

To convert from square centimeters to square meters, divide the area in square centimeters by 10,000.

Front

What is the relationship between the angle of a sector and its area?

Back

The area of a sector is directly proportional to the central angle; as the angle increases, the area of the sector increases.

Front

If a sector has an area of 15 cm² and a radius of 5 cm, what is the central angle?

Back

Front

What is the area of a sector with a radius of 7 cm and a central angle of 270 degrees?

Back

Front

What is the area of a sector with a radius of 4 cm and a central angle of 60 degrees?

Back

Front

Back