Angles Year 8

Find the value of x if the  $m\angle3\ =\ -4x+5\degree$ and the  $m\angle5\ =\ -13x+39\degree$ .

• -3.8

• 3.8

• -8

• 8

Find the value of x if the  $m\angle1\ =\ 12x+19\degree$ and the  $m\angle2\ =\ 22x-9\degree$ .

• -2.8

• 2.8

• -5

• 5

Find the value of x if the  $m\angle1\ =\ 11x\ -\ 9\degree$ and the  $m\angle5\ =\ 7x\ +9\degree$ .

• -4.5

• 4.5

• 1

• 0

What is the value of x?

• 22
• 26
• 24
• 23

Find the value of x and y.

• x = 20 and y = 94

• x = 67 and y = 40

• x =117 and y = 63

Lines A and B are parallel lines cut by a transversal. Find the value of x.

• x = 8

• x = 13

• x = 74

• x = 106

A pair of parallel lines is cut by a transversal. What are the measures of the two marked angles?

• 40 and 40

• 65 and 115

• 40 and 140

• 75 and 105

∠1 and ∠2 are vertical angles.

If m∠1 = (17x + 1)° and

m∠2 = (20x -- 14)°, find m∠2.

• m∠1 = 90°

• m∠2 = 90°

• m∠1 = 86°

• m∠2 = 86°