Semester 1 Review

Front

Identify the triangle by its sides: What type of triangle has all sides of different lengths?

Back

Scalene

Front

Back

Acute

Front

PQ is the perpendicular bisector of MN. If MN = 14, what is QN?

Back

7

Front

Two sides of a triangle measure 10 and 7. What is the range of possible measures for the third side?

Back

Front

Identify the rule after a 90° counter clockwise rotation: (x, y) ---> ?

Back

( -y, x)

Front

What is the definition of a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is the definition of an acute triangle?

Back

A triangle where all angles are less than 90°.

Front

What is the Triangle Inequality Theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

What is the formula for the area of a triangle?

Back

Front

What is the definition of a right triangle?

Back

A triangle that has one angle measuring 90°.