Geometry Semester 1 Review

Front

What type of angle is less than 90°?

Back

Acute angle

Front

What type of angle is exactly 90°?

Back

Right angle

Front

What type of angle is greater than 90° but less than 180°?

Back

Obtuse angle

Front

What are angles that add up to 180° called?

Back

Supplementary angles

Front

What are angles that add up to 90° called?

Back

Complementary angles

Front

What is a triangle with all sides of different lengths called?

Back

Scalene triangle

Front

What is a triangle with at least two equal sides called?

Back

Isosceles triangle

Front

What is a triangle with all angles less than 90° called?

Back

Acute triangle

Front

What is a triangle with one angle greater than 90° called?

Back

Obtuse triangle

Front

What is a triangle with all sides equal called?

Back

Equilateral triangle