**Helpful Links**

**Question**

*Click here for a printable version of this question.*

17)

*ONQ*is a sector of a circle with centre

*O*and radius 11 cm.

*is the point on*

A

A

*ON*and

*B*is the point on

*OQ*such that

*AOB*is an equilateral triangle of side 7 cm.

Calculate the area of the shaded region as a percentage of the area of the sector

*ONQ.*

Give your answer correct to 1 decimal place.

**[5 marks]**