Directions: Read carefully and choose the best answer.
1.
An acute angle is the name given to any angle whose measure is less than 180º.
Choose:
2.
An obtuse angle has a measure between ___º and ___º.
Choose:
3.
Two vertical angles measure x and 76º. How many degrees are represented by x?
Choose:
4.
∠ABC is bisected by a ray from B through D. If m∠ABC = 78º, what is the m∠ABD?
Choose:
5.
a) Angles 1 and 2 are called _________. Choose:
b) Angles 1 and 2 are _________. Choose:
Two straight lines
intersecting.
6.
Two complementary angles measure x and 55º. How many degrees are represented by x?
Choose:
7.
Two supplementary angles measure (5x - 30)º and (x + 90)º. What is the measure of the larger angle?
Choose:
8.
In the diagram at the right, m∠ABC = m∠ABD + ______.
Choose:
9.
Three straight lines intersect as shown.
If m∠1 = 24º find m∠2.
Choose:
10.
Three straight lines intersect as shown.
Find m∠ABC.
Choose:
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