3.1 - 3.4 Flashcard Prep

Front

If the longest side of a triangle is 10, what must the sum of the two shorter sides be?

Back

The sum of the two shorter sides must be greater than 10.

Front

If MT = 3, what is QT?

Back

QT = 9.

Front

What type of triangle has all sides of different lengths?

Back

A scalene triangle.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90°.

Front

What can be said about a triangle with three congruent sides?

Back

It is always equiangular.

Front

What is the definition of a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths.

Front

What is the definition of an isosceles triangle?

Back

An isosceles triangle is a triangle with at least two sides of equal length.

Front

What is the definition of an equilateral triangle?

Back

An equilateral triangle is a triangle with all three sides of equal length.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180°.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.