riya1777 riya1777

02-11-2020
Mathematics

contestada

A and B are vertical angles. If m A = (6x – 11)° and m
B = (5x + 4)º, then find the measure of B.

Respuesta :

jimrgrant1 jimrgrant1

02-11-2020

Answer:

∠ B = 79°

Step-by-step explanation:

Since the angles are vertical then they are congruent, thus

6x - 11 = 5x + 4 ( subtract 5x from both sides )

x - 11 = 4 ( add 11 to both sides )

x = 15

Thus

∠ B = 5x + 4 = 5(15) + 4 = 75 + 4 = 79°

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