Theorems (Leaving Cert Mathematics): Flashcards

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Triangle Theorems
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Isosceles triangle: equal sides → ?

Equal opposite angles

Isosceles triangle: equal angles → ?

Equal opposite sides

Midpoint theorem: direction property

Parallel to third side

Midpoint theorem: length property

Half the length of third side

Pythagoras' theorem formula

c2=a2+b2c^2 = a^2 + b^2

In Pythagoras' theorem, what is cc?

Hypotenuse

Similar triangles: corresponding sides are

Proportional

Similar triangles: corresponding angles are

Equal

Proportional corresponding sides → triangles are

Similar

Pythagoras' theorem forms the basis for

Trigonometry

Name of theorem about line joining midpoints

Midpoint Theorem

Explore Leaving Cert Mathematics Revision Notes by Topics

Fundamentals of Geometry

The Basics

Theorems

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Fundamentals of Geometry

The Basics

Theorems

Explore Leaving Cert Mathematics Quizzes by Topics

Fundamentals of Geometry

The Basics

Theorems

Explore Leaving Cert Mathematics Exam Questions by Topics

Fundamentals of Geometry

The Basics

Theorems

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