Flashcard Review: Right Triangles

Front

What is the geometric mean of two numbers a and b?

Back

Front

Calculate the geometric mean of 5 and 25.

Back

Front

What type of triangle has one angle measuring 90 degrees?

Back

A triangle with one angle measuring 90 degrees is called a right triangle.

Front

If a triangle has angles measuring 30°, 60°, and 90°, what type of triangle is it?

Back

It is a right triangle because it contains a 90° angle.

Front

What is the Pythagorean theorem?

Back

Front

Find the length of side a if the hypotenuse c = 10 and side b = 6.

Back

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

Front

Determine if a triangle with sides 4, 5, and 6 is a right triangle.

Back

No, it is not a right triangle because it does not satisfy the Pythagorean theorem.

Front

What is the formula to find the area of a right triangle?

Back