diaryevans
diaryevans diaryevans
  • 16-04-2021
  • Mathematics
contestada

answer choices:
A. 42 °
B. 47°
C. 48°
D. 41°
can some one help me please

answer choices A 42 B 47 C 48 D 41 can some one help me please class=

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Hrishii
Hrishii Hrishii
  • 16-04-2021

Answer:

D. 41°

Step-by-step explanation:

[tex](3x + 9) \degree = 132 \degree \\ (vertical \: \angle s) \\ 3x + 9 = 132 \\ 3x = 132 - 9 \\ 3x = 123 \\ x = \frac{123}{3} \\ x = 41 \\ \\ \because m\angle QRS =x\degree \\\therefore m\angle QRS = 41\degree [/tex]

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hberto hberto
  • 16-04-2021
D.41....I think QRS is a right triangle but I can’t see that well. If it’s a right triangle that leaves a 30,60,90 approach.
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