The Basics (Leaving Cert Mathematics): Quizzes

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What is an acute angle?

An angle less than 90°90°

What do the measures of two complementary angles add up to?

90°90°

What range defines an obtuse angle?

More than 90°90° but less than 180°180°

What does a bisector do to a segment or angle?

Divides it into two equal parts

What special property does a diameter have in a circle?

It is the longest chord

What is the hypotenuse in a right-angled triangle?

The longest side opposite the right angle

How many sides are equal in an isosceles triangle?

At least two

What defines a scalene triangle?

All sides are different lengths

What is the defining property of parallel lines?

They never intersect

What angle do perpendicular lines form when they intersect?

90°90°

At how many points does a tangent touch a circle?

Exactly one point

How many pairs of parallel sides does a trapezium have?

One pair

What property do all sides of a rhombus share?

They are all equal in length

What range defines a reflex angle?

Greater than 180°180° but less than 360°360°

What does the midpoint of a line segment do?

Divides it into two equal parts

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