91Ó°ÊÓ

$∠1$ and $∠2$ aresupplementary angles, and $m∠1=118°$. Find $m∠2$.

In Exercise 3-6, match the description with correct value.

Measures of interior angles of a regular hexagon.

Tell whether the angles are corresponding, alternate, interior, or alternate exterior angles.

$∠4\text{and}∠8$

Find the measures of the numbered angles in the diagram.

Find the measure of an exterior angle of a regular pentagon.

Tell whether the angles are complementary, supplementary, or neither.

$\begin{array}{c}m∠3=108°\\ m∠4=72°\end{array}$

Solve the equation. Check your solution.

$10-3x=37$

Solve the equation. Check your solution.

$4x+7=-113$

Describe the pattern. (P.772)

$1,5,25,125,…$

Describe the pattern. (P.772)

$3,11,19,27,…$