Geo 5.1-5.2 Review

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 type of triangle has all sides of equal length?

Back

An equilateral triangle has all sides of equal length.

Front

What is an acute triangle?

Back

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

Front

What is a right triangle?

Back

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

Front

What is an obtuse triangle?

Back

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

Front

How can you determine if three angles can form a triangle?

Back

Three angles can form a triangle if their sum is equal to 180°.

Front

What is an isosceles triangle?

Back

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

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle where all sides are of different lengths.

Front

If one angle of a triangle is 90°, what type of triangle is it?

Back

It is a right triangle.

Front

What is the measure of the missing angle if two angles are 50° and 80°?

Back

The missing angle is 50° (180° - 50° - 80° = 50°).