Angle Measures and Classifications

Classify each angle.

• Obtuse Angle

• 
• Right Angle

• 
• Acute Angle

• 
• Straight Angle

• 

If m∠P = (7x – 22) ° and ∠P is a right angle, find the value of x.

Mathematical Equivalence

OFF

If m∠A = (5x + 45) ° and ∠A is a straight angle, find the value of x.

Mathematical Equivalence

OFF

The measure of ∠N is (15x + 47) ° . If x = 8, find the measure of ∠N.

Mathematical Equivalence

OFF

The measure of ∠B is (-8x + 58) ° . If x = -4, find the measure of ∠B.

Mathematical Equivalence

OFF

If m∠J = (7x + 13) ° , m∠K = (83 – 2x) ° , and the sum of the measures of the angles is 141° , find the measure of ∠K.

Mathematical Equivalence

OFF

If m∠T = (2x + 85) ° , m∠V = (5x + 29) ° , and the sum of the measures of the angles is 93° , find the measure of ∠T.

Mathematical Equivalence

OFF

If m∠Y = (2x – 3) ° , m∠Z = (13x – 41) ° , and ∠Z is a straight angle, find the sum of the measures of the two angles.

Mathematical Equivalence

OFF

If m∠A = (11x + 13) ° , m∠B = (9x – 24) ° , and ∠A is a right angle, find the difference in the measures of the two angles.

Mathematical Equivalence

OFF

Name the angle. Check all that apply.