191k views
3 votes
15 cm

30°
B
OAB is a sector of a circle, centre O.
The radius of the circle is 15 cm.
The angle of the sector is 30°.
Calculate the area of sector OAB.
Leave your answer in its simplest form.

1 Answer

5 votes

Explanation:

change the angle to radian

then use formula 1/2 × π × radius square

User Tech Vanguard
by
3.9k points