1.5 Quiz

Calculate m∠ABC.

• 45°

• 60°

• 105°

• 15°

Calculate m∠DEF.

• 180°

• 60°

• 120°

• 80°

 Find  $\angle HIW$  if  $\angle HIJ\ =\ 164\degree$  and  $\angle WIJ\ =\ 140\degree$  

•  $\angle HIW\ =\ 304\degree$  

•  $\angle HIW=16\degree$  

•  $\angle HIW=40\degree$  

•  $\angle HIW=24\degree$  

Find  $\angle PSR$  if  $\angle TSP=54\degree$  and  $\angle TSR\ =138\degree$  

•  $\angle TSR=192\degree$  

•  $\angle TSR=84\degree$  

•  $\angle TSR=42\degree$  

•  $\angle TSR=126\degree$  

Find the value of ∠A.

• 25 degrees
• 30  degrees
• 35 degrees
• 90 degrees

If m∠RST = (12x -1)°, m∠RSU = (9x -15)°,

and m∠UST = 53°, find each measure.

• x = 13

  m∠RST = 155°

  m∠RSU = 102°

• x = 3

  m∠RST = 35°

  m∠RSU = 12°

• x = 22

  m∠RST = 263°

  m∠RSU = 183°

• x = 8

  m∠RST = 95°

  m∠RSU = 57°

Angle XZU is a 

• straight angle
• obtuse angle
• right angle
• acute angle

An angle that is exactly 90 degrees.

• right
• acute
• obtuse
• straight

Classify the angle

• acute
• obtuse
• right
• straight

An angle that is less than 90^o.

• right
• acute
• obtuse
• straight