ceeceekennan98
contestada

Which postulate explains why angle PQR would be 140 degrees in the picture below ?

A. Interior angles postulate
B. Addition postulate
C. Sum angle postulate
D. Angle addition postulate

Please help me with this

Which postulate explains why angle PQR would be 140 degrees in the picture below A Interior angles postulate B Addition postulate C Sum angle postulate D Angle class=

Respuesta :

sqdancefan

Answer:

  D. Angle addition postulate

Step-by-step explanation:

The angle addition postulate tells you the larger angle SQP is the sum of the angles produced by the dividing ray OR. That is, ...

  ∠SQR +∠PQR =∠SQP

__

Then the subtraction property of equality is used to find the value of ∠PQR:

  ∠PQR = ∠SQP -∠SQR . . . . . subtract ∠SQR from both sides

  ∠PQR = 160° -20° = 140°