Tell whether the angles are adjacent or vertical. Then find the value of x Answers by writing and solving an equation.
1
adjacent
1.
2.
107°
2. vertical
3x .
2x°
(3x - 4)
3.
3. Angle 1 and angle 2 are supplementary. Angle 2 is vertical to a 75 degree
angle. What are the measures of angle 1 and angle 2? (Sketch it - label
angle 1, angle 2, and 75 degrees.)
(sketch)
Tell whether the angles are complementary, supplementary, or neither.
4.
5.
5.
میرا
44°
46
125°
65°
6.
Find the value of x. Then classify the triangle with 2 names.
6.
154
7.
7.
13°
8.
See left.
Draw a triangle with the given angle measures. (use protractor)
Then classify the triangle with 2 names.
8.
30°, 60°, 90°
9. 550, 550, 70°
9.
See left
10.
10. Which two quadrilaterals have 4 congruent sides?
Classify the quadrilateral with the most specific name.
11.
11.
12.
12.
57