Geometry - Find the missing angles, Angle relationships

30

<1 and <2 are complementary angles. if m<1= -2x and the m<2= 5x, solve for x.

43

<1 and <2 are complementary angles. if m<1= 4 - 2x and the m<2= 4x, solve for x.

25

<1 and <2 are complementary angles. if m<1= x + 15 and the m<2= 2x, solve for x.

27

<A and <B are supplementary. if m<A = 4x+8 , and the m<B= 2x+10, solve for x.

9

<A and <B are supplementary. if m<A = x+139 , and the m<B= 32, solve for x.

32

<A and <B are supplementary. if m<A = x-4 , and the m<B= 5x-8, solve for x.

2

<A and <B are vertical angles. if m<A= 2x-6 and the m<B= 7x-16, solve for x.

12

<A and <B are vertical angles. if m<A= 3x+9 and the m<B= 4x-3, solve for x.

10

<A and <B are vertical angles. if m<A= 6x and the m<B= 5x +10, solve for x.

85

<A and <B form a linear pair. if m<A = -6x + 9 , and the m<B= 8x +1, solve for x.

x=86 degrees, supplementary angles (25+69+x=180) y=69 degrees, vertical angles

Solve for x and y, and justify each answer with a vocabulary term.

x=23 Linear pairs are supplementary (add up to 180 degrees).

Solve for x.

x=23 degrees The angles shown are supplementary (add up to 180 degrees).

Solve for x.

x=9 Vertical angles are congruent.

Solve for x.

x=31 degrees Vertical angles, triangle sum conjecture, vertical angles (again), supplementary angles.

Solve for x and justify with the vocabulary terms that helped you find your answer.

x=20 Vertical angles are congruent.

Solve for x and justify your answer with a vocabulary term.

x=81 degrees, vertical angles y=21 degrees, supplementary angles (78+81+y=180)

Solve for x and y, and justify each answer with a vocabulary term.

16

Angles T and V are complementary. Angle T has a measure of (2x + 10) degrees. Angle V has a measure of 48 degrees. What is the value of x?

17

There are 2 angles on a line. One angle is (8b - 12) degrees. One is b degrees and the other is (2b + 5) degrees. What is the value of the smallest angle?

72

Two angles, a and b, are supplementary. Angle a is represented by 3x degrees and angle b is 2x degrees. What is the degree of the smaller angle?