1. State whether the following angles are acute, obtuse, right, straight or reflex:
a.
|
b.
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c.
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d.
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e.
|
f.
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g.
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139°
|
90°
|
51°
|
109°
|
180°
|
7°
|
332°
|
2. Find the value of the variables. Give an abbreviated reason selected from the following list for each answer:
(Adj. ∠ s on st. line are supp. )
(∠ s at a pt. add to 360°. )
(Vert. opp. ∠ s equal. )
a. |
b. |
c. |
d. |
e. |
f. |
g. |
h. |