OCR GCSE Maths
Topic questions Geometry and measures Parts of a circle
7 questions · 21 marks · about 20 minutes
The diagram shows a circle, centre O, and a straight line.
Write down the mathematical name for
the straight line
the perimeter of the circle.
On the diagram, draw a diameter.
The radius of a circle is 3 cm.
Find the length of the diameter of the circle.
A regular polygon is being constructed inside a circle, centre O. Part of the construction is shown in this diagram.
Give a reason why OA = OB.
Write down the mathematical name of triangle OAB.
The regular polygon is completed.
Work out the sum of the interior angles of the regular polygon.
The diagram shows a circle, centre O, and a line that meets the circle twice.
On the diagram, draw a diameter.
Write down the mathematical name of the line shown on the diagram.
The diagram shows a circle, centre O.
Write down the mathematical name of
line A,
shaded region B.
Also involves Trigonometric ratios
The angles in a triangle are in the ratio 1: 2: 3.
Show that the triangle is a right-angled triangle.
The hypotenuse of the triangle is 15 cm long.
Calculate the length of the shortest side in the triangle.
The diagram shows a circle, centre O.
Write down the mathematical name of
line A,
shaded region B.
Memes
Laugh now. Cry in the exam hall later. Then come back and do a past paper.
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