Circles - Circle Theorems
Maths · Grade 10 · Week 39 · 25 questions
Geometry explores the properties of shapes, angles, and spatial relationships. These visual and logical skills have applications in design, architecture, navigation, and everyday problem-solving.
What you'll practise
- Work with angles
- Identify and classify geometric shapes
- Calculate angles using geometric properties
- Apply theorems about triangles and polygons
All 25 questions in this Circles - Circle Theorems quiz
Grade 10 Maths — Circles - Circle Theorems: 25 practice questions with instant scoring and explanations.
- Angle in semicircle:
- Equal chords are:
- Perpendicular from centre to chord:
- Angles in same segment:
- Opposite angles of cyclic quad are:
- Arc angle at centre vs circumference:
- Longest chord of circle:
- ∠AOB=80°(centre), ∠ACB(circumference)=
- ∠ACB=35°(segment), ∠ADB(same segment)=
- Cyclic ABCD, ∠A=70°, ∠C=
- Cyclic ABCD, ∠B=95°, ∠D=
- Cyclic ABCD, ∠A=110°, ∠C=
- Chord at 6cm from centre, radius 10cm. Chord length?
- Chord at 15cm from centre, radius 17cm. Chord length?
- Chord at 8cm from centre, radius 10cm. Chord length?
- Chord at 4cm from centre, radius 5cm. Chord length?
- Chord at 3cm from centre, radius 5cm. Chord length?
- Chord at 8cm from centre, radius 17cm. Chord length?
- Chord at 12cm from centre, radius 20cm. Chord length?
- Chord at 16cm from centre, radius 20cm. Chord length?
- Chord at 5cm from centre, radius 13cm. Chord length?
- ∠AOB=120° (centre), ∠ACB(circumference)=
- ∠ACB=50° (circumference), ∠AOB(centre)=
- Cyclic ABCD, ∠A=85°, ∠C=
- Cyclic ABCD, ∠D=100°, ∠B=
Question 1 of 250 correct so far