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cestrela7 [59]
3 years ago
7

HELP ME! In a complete sentence, describe the relationship between the three angles in the diagram below. Write and solve an equ

ation to find the value of b and the measures of ∠QPS, ∠SPT, and ∠TPR.

Mathematics
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

  b = 17

  ∠QPS = 124°

  ∠SPT = 17°

  ∠TPR = 39°

Step-by-step explanation:

  • The sum of the three angles shown is a linear angle, with a measure of 180°.

This fact can be used to write an equation:

  (8b -12)° +b° +(2b+5)° = 180°

  11b -7 = 180

  11b = 187

  b = 17

  8b -12 = 8(17) -12 = 124

  2b +5 = 2(17) +5 = 39

The value of b is 17.

The angle measures are ...

  ∠QPS = 124°

  ∠SPT = 17°

  ∠TPR = 39°

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