The Basics (Junior Cert Mathematics): Quizzes

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Introduction to Geometry
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15 questions from this quiz

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What is a line in geometry?

A straight path extending infinitely in both directions

What is a ray (half-line)?

Starts at one point, extends infinitely in one direction

What is the defining feature of a line segment?

It has two endpoints

What is the range of an acute angle?

Between 0° and 90°90°

What is the range of an obtuse angle?

Between 90°90° and 180°180°

What is the range of a reflex angle?

Between 180°180° and 360°360°

What is the measure of a right angle?

Exactly 90°90°

What is the measure of a straight angle?

Exactly 180°180°

What is the measure of a full angle?

360°360°

What is true about vertically opposite angles?

They are equal

What is true about alternate angles?

They are equal

What do the interior angles of a triangle add up to?

180°180°

What are the properties of an isosceles triangle?

Two equal sides and two equal angles

What are the properties of an equilateral triangle?

All three sides and angles are equal

What are the properties of a scalene triangle?

No sides or angles are equal

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