Pythagorean Theorem and Special Right Triangles PRACTICE FLASHCARD

Front

What is the Pythagorean Theorem?

Back

Front

What are the side ratios of a 30-60-90 triangle?

Back

Front

How do you find the hypotenuse in a 30-60-90 triangle if the short leg is known?

Back

To find the hypotenuse in a 30-60-90 triangle, multiply the length of the short leg by 2.

Front

What type of triangle is a 45°-45°-90° triangle?

Back

A 45°-45°-90° triangle is an isosceles right triangle where the two legs are of equal length, and the angles are 45°, 45°, and 90°.

Front

What are the side ratios of a 45°-45°-90° triangle?

Back

Front

How do you find the length of a leg in a 45°-45°-90° triangle if the hypotenuse is known?

Back

Front

What is the formula to find the height of a triangle given the angle and the length of the hypotenuse?

Back

Front

How do you find the length of the base of a triangle given the height and the angle?

Back

Front

What is the relationship between the angles in a right triangle?

Back

In a right triangle, the sum of the three angles is always 180°. One angle is 90°, and the other two angles must add up to 90°.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length and the angles opposite those sides are equal.