nobleshaley nobleshaley

12-02-2021
Mathematics

contestada

Angle A and B have a sum of
187º. Angle A is 12 more than 3
times a number, angle B is 7
more than 5 times the same
number. What is the measure of
angle A and angle B?

Respuesta :

adnan04 adnan04

14-02-2021

Answer:

let no. be x

A= 12+ 3x

B= 7+5x

A+B=187

12+7+3x+5x=187

x=21

therefore, A=75°

B=112°

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