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SAT Math Practice: Angles and Polygons Practice 01

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1. What kind of angle is angle 2 in the diagram below?

obtuse

acute

right

relfex

2. In the diagram below, $m \angle INM =140 \textdegree$ and $\angle INK$ is a right angle. What is the $m \angle JNK$ ?

$40 \textdegree$

$50 \textdegree$

$90 \textdegree$

$140 \textdegree$

3. In the diagram below, what is the value of $x$ ?

$-50 \textdegree$

$78 \textdegree$

$112 \textdegree$

$130 \textdegree$

4. In a regular octagon, what is the measure of each exterior angle?

$45 \textdegree$

$68 \textdegree$

$80 \textdegree$

$135 \textdegree$

5. In a regular nonagon, what is the measure of each exterior angle?

$40 \textdegree$

$90 \textdegree$

$120 \textdegree$

$140 \textdegree$

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