Problem 1 :
Problem 2 :
Find the missing angles.
Problem 3 :
Solve for w.
Problem 4 :
Solve for n.
Problem 5 :
Solve for x.
Problem 6 :
Solve for p.
Problem 7 :
Solve for x.
Problem 8 :
Solve for x.
a. Use the Vertical Angles Theorem to write an equation.
b. Solve your equation to find the value of x.
c. Find the measures of the acute angles formed by the lines.
d. Find the measures of the obtuse angles formed by the lines.
Problem 9 :
The measures of two complementary angles have a ratio of 3:2. What is the measure of the larger angle?
Problem 10 :
Write and solve a system of equations to fi nd the values of x and y
Problem 11 :
Two angles form a linear pair. The measure of one angle is twice the measure of the other angle. Find the angles.
1) x = 4
2) ∠AGF = ∠CGD ==> 22, ∠AGB = ∠EGD ==> 50
3) w = 79
4) n = 5
5) x = 23
6) p = 4
7) y = 7
8) a) 6x = 4x + 8 b) x = 4 c) 24 d) y = 156
9) angles are 36 and 54.
10) x = 10 and y = 20
11) 60 and 120.
Problem 1 :
Angles G and H are complementary. If m∠G = 3x + 6 and m∠H = 2x - 11. what is the measure of each angle?
Problem 2 :
The measures of angles A and B are supplementary. What is the measure of each angle?
Problem 3 :
An angle is five its supplement. Find both angles.
Problem 4 :
An angle is 74 degrees more than its complement. Find both angles.
Problem 5 :
The supplement of an angle exceeds the angle by 60 degrees. Find both angles.
Problem 6 :
Find the number of degrees in an angle which is 42 less than its complement.
Problem 7 :
Find the number of degrees in an angle which is 120 less than its supplement.
Problem 8 :
The complement of an angle is 30 less than twice the angle. Find the larger angle.
Problem 9 :
Angles A and B are complementary. If m∠A = 3x - 8 and m∠B = 5x + 10, what is the measure of each angle?
Problem 10 :
Angles Q and R are supplementary. If m∠Q = 4x + 9 and m∠R = 8x + 3, what is the measure of each angle?
1) m∠G = 63˚ and m∠H = 27˚.
2) m∠A = 60˚ and m∠B = 120˚
3) both angles are 150˚ and 30˚.
4) both angles are 8˚ and 82˚.
5) both angles are 60˚ and 120˚.
6) First angle = 24˚, Second angle = 66˚
7) First angle = 30˚, Second angle = 150˚
8) First angle = 40˚, Second angle = 50˚
9) the measure of angles are m∠A = 25˚ and m∠B = 65˚.
10) the measure of angles are m∠Q = 65˚ and m∠R = 115˚.
Problem 1 :
Problem 2 :
From the picture at the right, name the 2 sets of vertical angles?
Problem 3 :
Vertical angles are always ________.
Problem 4 :
Linear pairs are always _____, which means they add up to _____.
Problem 5 :
x = _____
Problem 6 :
y = _____
Problem 8 :
a = _____
Problem 9 :
w = _____
Problem 10 :
d = _____
Tell whether the statement is always, sometimes, or never true. Explain your reasoning.
Problem 11 :
Complementary angles are adjacent.
Problem 12 :
Angles in a linear pair are supplements of each other.
Problem 13 :
Vertical angles are adjacent.
Problem 14 :
Vertical angles are supplements of each other.
Problem 15 :
If an angle is acute, then its complement is greater than its supplement.
Problem 16 :
If two complementary angles are congruent, then the measure of each angle is 45°.
Problem 17 :
Explain why the supplement of an acute angle must be obtuse.
Problem 18 :
Explain why an obtuse angle does not have a complement.
Problem 19 :
The iron cross is a skiing trick in which the tips of the skis are crossed while the skier is airborne. Find the value of x in the iron cross shown.
Problem 20 :
The measure of an angle is 9 more than twice its complement.
Problem 21 :
Two angles form a linear pair. The measure of one angle is four times the measure of the other angle.
1)
∠1 and ∠3
∠1 and ∠2
∠4 and ∠3
∠4 and ∠2
2)
∠1 = ∠4
∠2 = ∠3
3) Vertical angles are always equal.
4) Linear pairs are always supplementary, which means they add up to 180º.
5) x = 117°
6) y = 150°
7) k = 77°
8) a = 15°
9) w = 115°
10) d = 72°
11) always
12) always
13) never
14) always.
15) Never
16) always
17) always
18) always.
19) x = 6
20) the required angles are 63 and 27.
21) the required angles are 36 and 144.
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM