Free Trigonometry and Measurement Quiz | University Admission Mathematics Practice

Trigonometry and Measurement

Question 1 of 5

Time left: 00:00

The diagram shows a sector \(OAB\) of a circle with centre \(O\) and radius \(12\text{ cm}\). The angle \(\theta\) at \(O\) is measured in radians, and the perimeter of the sector (the two radii together with the arc \(AB\)) is \(40\text{ cm}\).

What is the area of the sector \(OAB\)?

Select one option.

\(240\text{ cm}^2\)
\(168\text{ cm}^2\)
\(96\text{ cm}^2\)
\(192\text{ cm}^2\)
\(48\text{ cm}^2\)

You have used 0 of 1 attempt

Next ▶