polinapolinm polinapolinm
  • 02-10-2020
  • Mathematics
contestada

10. Two angles are supplementary. The smaller angle is 201° less than twice the larger angle. What is the measure of the
larger angle?

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 09-10-2020

Answer:

The larger angle is 127 degrees

Step-by-step explanation:

Given

Represent the two angles with a and b

[tex]a = 2b - 201[/tex]

Required

Determine a and b

Since a and b are supplementary, then:

[tex]a + b = 180[/tex]

Substitute 2b - 201 for a

[tex]2b - 201 + b = 180[/tex]

Collect Like Terms

[tex]2b + b = 180 + 201[/tex]

[tex]3b = 381[/tex]

[tex]b = 381/3[/tex]

[tex]b = 127[/tex]

Recall that

[tex]a = 2b - 201[/tex]

[tex]a = 2 * 127 - 201[/tex]

[tex]a = 254- 201[/tex]

[tex]a = 53[/tex]

Hence:

The angles are 53 and 127 degrees, respectively

Answer Link

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