Question 1 of 5: Find the measure of each marked angle.
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
$$97°, 83°$$
B
$$115°, 65°$$
C
$$102°, 78°$$
D
$$97°, 97°$$
E
$$125°, 55°$$
Question 2 of 5: Find the measure of angles 1 and 2.
m and n are parallel lines.Angle 1: $$(-8x + 8)°$$ Angle 2: $$(-15x + 57)°$$
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Angle 1 = 22°, Angle 2 = 158°
B
Angle 1 = 67°, Angle 2 = 113°
C
Angle 1 = 59°, Angle 2 = 121°
D
Angle 1 = 81°, Angle 2 = 99°
E
Angle 1 = 48°, Angle 2 = 132°
Question 3 of 5: Find the measure of angles 1, 2, and 3.
Angle 1: $$(3x + 18)°$$ Angle 2: $$(13x - 42)° $$ Angle 3: $$(7x - 3)°$$ Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Angle 1 = 60°, Angle 2 = 75°, Angle 3 = 45°
B
Angle 1 = 55°, Angle 2 = 85°, Angle 3 = 40°
C
Angle 1 = 45°, Angle 2 = 75°, Angle 3 = 60°
D
Angle 1 = 25°, Angle 2 = 85°, Angle 3 = 70°
E
Angle 1 = 37°, Angle 2 = 67°, Angle 3 = 76°
Question 4 of 5: Find the measure of all angles.
Triangles ABC and EFD are similar.Angle A: $$(10x - 43)°$$ Angle D: $$(3x - 7)°$$ Angle B: $$(2x + 5)°$$
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Angles A and E are 107°, Angles C and D are 38°, Angles F and B are 35°
B
Angles A and E are 117°, Angles C and D are 28°, Angles F and B are 35°
C
Angles C and D are 107°, Angles A and E are 38°, Angles F and B are 35°
D
Angles A and F are 117°, Angles C and B are 28°, Angles D and B are 35°
E
Angles A and E are 94°, Angles C and D are 48°, Angles F and B are 38°
Question 5 of 5: Find the lengths of the unknown sides.
Triangles ACB and DFE are similar. Side AB has length 24.
Side AC has length 16.
Side CB has length 32.
Side FE has length 50.
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
Side DF has length 19, Side DE has length 29.5
B
Side DF has length 25, Side DE has length 37.5
C
Side DF has length 18, Side DE has length 39
D
Side DF has length 17, Side DE has length 20
E
Side DF has length 45, Side DE has length 19.5
