A-level Maths · Trigonometry

Arc length and sector area

Use s = rθ and A = ½r²θ for a sector, with the angle in radians.

0 correct out of 0Streak: 0

Question 1

A sector of a circle has radius 8 cm and angle 2.8 radians. Find the area of the sector. Give your answer to 3 significant figures.

cm²

You can type 4.53, 3.2e-5, 3.2 × 10^-5 or 7/3.

Your progress is kept on this device only. Nothing you type is sent to us.

Stop spending Sunday on Monday's lesson.

Free to start, no card. Your first lesson is about two minutes away.

Start free