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Oak National Academy
12 questions
What is {2\over3} of 144 cm?
Which of these formulae finds the area of a circle with radius r?
Find the area of a circle with radius of 25 cm, giving your answer both in terms of \pi and in decimal form, rounded to 1 decimal place.
From its centre, this circle has been split up into 9 equally-sized sectors. How many degrees is the angle marked x?___
Match each statement to the correct value for a circle with a diameter of 80 units.
Which of these statements is true for this composite shape?
A quarter-circular sector is cut out of a circle. The original circle had an area of 120\pi cm². What is the area of the quarter-circle?
A sector with a 60° angle is cut out of a circle. The original circle had an area of 3072 inches². The area of the sector is ___ square inches.
Which of the following statements is true for this sector?
This composite shape is broken down into its component parts, made from circular sectors and quadrilaterals. Match each component part and composite shape to its area.
Which of these shows the area (written in terms of \pi) of the shaded region of this composite shape composed of a circular sector and a square?
What is the area (in cm²) of this composite shape, composed of only squares and circular sectors, rounded to the nearest integer? ___cm²
