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1 of 5
Higher
Non-calculator
G18 Arc lengths and sector areas
Question 1 · 6 marks
Spec and skills
Paper scope: Paper 1: non-calculator practice
Spec G18
Spec G17
Original practice question
Answer and supported method checks
The diagram shows a sector
O
A
B
OAB
O
A
B
of a circle with centre
O
O
O
and radius 6 cm. The area of the sector is
15
π
cm
2
15\pi\text{ cm}^2
15
π
cm
2
.
6 cm
O
A
B
Diagram NOT accurately drawn
(a)
Work out the angle
A
O
B
AOB
A
O
B
.
2 marks
°