shakiah68 shakiah68

03-03-2022
Mathematics

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Find the measure of angle A.(First solve for x, then plug it into 9x+4 to get the final answer!)

Find the measure of angle AFirst solve for x then plug it into 9x4 to get the final answer class=

Respuesta :

shahtejas797 shahtejas797

04-03-2022

Answer:

40 degrees

Step-by-step explanation:

Sum of all angles of triangle is 180 degrees.

So, 80+(9x+4)+(16x-4)=180

80+25x=180

25x=100 -> x=4

So angle A = 9(4)+4= 40 degrees

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