Apply Test Taking Strategie:Vertical Angles and Linear Pairs

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Linear pairs of angles are two adjacent angles that form a straight line. They are supplementary, meaning they add up to 180°.

x = 37°.

x = 21°.

Supplementary angles are two angles whose measures add up to 180°.

Complementary angles are two angles whose measures add up to 90°.

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Follow the order of operations: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).

Perpendicular lines are lines that intersect at a right angle (90°).

A transversal is a line that intersects two or more lines at different points.