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Fundamentals of Geometry

Geometry

A comprehensive quiz covering core middle school geometry concepts including angles, polygons, and circles.

mathematics education geometry

10 Questions Medium Ages 11+ Aug 9, 2026

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About this Study Set

This study set covers Geometry through 10 practice questions. A comprehensive quiz covering core middle school geometry concepts including angles, polygons, and circles. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Fundamentals of Geometry study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the sum of the interior angles of a convex quadrilateral?

A 180 degrees
B 270 degrees
C 360 degrees
D 540 degrees

2 Which term describes two angles that add up to 90 degrees?

A Supplementary angles
B Complementary angles
C Adjacent angles
D Vertical angles

3 What is the relationship between the diameter and the radius of a circle?

A Diameter = 2 × Radius
B Diameter = Radius / 2
C Diameter = π × Radius
D Diameter = Radius + 2

4 A triangle with three unequal sides is classified as what?

A Equilateral
B Isosceles
C Scalene
D Right-angled

5 Which geometric shape has exactly four equal sides and four right angles?

A Rhombus
B Trapezium
C Rectangle
D Square

6 What is the formula to calculate the area of a triangle?

A Base × Height
B (Base × Height) / 2
C 2 × (Base + Height)
D π × Radius squared

7 If two lines are intersected by a transversal, what are the angles in the same relative position at each intersection called?

A Alternate interior angles
B Consecutive interior angles
C Corresponding angles
D Vertical angles

8 What is the definition of a polygon with exactly five sides?

A Hexagon
B Pentagon
C Heptagon
D Octagon

9 The total sum of the exterior angles of any convex polygon is always equal to:

A 180 degrees
B 360 degrees
C 540 degrees
D 720 degrees

10 Which line segment connects two points on a circle and passes through the centre?

A Chord
B Radius
C Diameter
D Tangent

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