alenmendoza76436 alenmendoza76436

01-06-2022
Mathematics

contestada

Find the measure of angle A.
A
9x+6
4x + 6
m/A=

Find the measure of angle A A 9x6 4x 6 mA class=

Respuesta :

lavisteresther lavisteresther

01-06-2022

Answer:

angle A=30°

Step-by-step explanation:

[tex]9x + 6 + 4x + 6 + 90 = 180 \\ 13x + 102 = 180 \\ 13x = 180 - 102 \\ 13x = 78 \\ \frac{13x}{ 13} = \frac{ 78}{13} \\ x = 6 \\ 4x + 6 = a \\ 4(6) + 6 = a \\ 24 + 6 = a \\ 30 = a[/tex]

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