Right Triangle Flashcards
(9 cards)
The altitude of an equilateral triangle forms two 30°-60°-90° triangles
Always
An isosceles triangle is a right triangles
Sometimes
The hypotenuse of a 30°-60°-90° triangle is twice the length of the shorter leg
Always
The diagonal of a square separates it into two isosceles right triangles
Always
The hypotenuse of an isoceles right triangle is (the square root of three) times the length of the shorter leg.
Never
A right triangle is 30°-60°-90° or 45°-45°-90°
Sometimes
The legs of a 45°-45°-90° right triangle are congruent
Always
In a 30°-60°-90° right triangle, the shorter leg is opposite of the 60° angle
Never
If the measure of one acute angle of a right triangle is 30°, then the other is 45°
Never