3.1 - 3.4 Flashcard Prep

Front

If QT = 18, what is MT?

Back

MT = 6

Front

An obtuse triangle ________________________ contains more than one obtuse angle.

Back

never

Front

What is the name of a triangle with all sides equal?

Back

Equilateral

Front

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

Back

greater than 10

Front

In isosceles triangle \(\Delta ABC\), if \(\overline{AB} \cong \overline{BC}\), which angle is the VERTEX ANGLE?

Back

Angle B

Front

What is the definition of an isosceles triangle?

Back

A triangle with at least two sides of equal length.

Front

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

Back

180 degrees.

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle.

Front

In a right triangle, what is the relationship between the lengths of the sides?

Back

The square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides (Pythagorean theorem).

Front

What is the definition of a scalene triangle?

Back

A triangle with all sides of different lengths.