nevaehtc2007 nevaehtc2007

31-03-2021
Mathematics

contestada

Find the measure of
A) 61
B) 55
B) 73
D) 60°

Find the measure of A 61 B 55 B 73 D 60 class=

Respuesta :

prestonyouatt prestonyouatt

31-03-2021

Answer:

60°

Step-by-step explanation:

180 - 115 = 65

180 = 65 + (9x + 6) + (9x + 1)

Subtract/simplify:

115 = 18x + 7

Subtract:

108 = 18x

Divide:

108/18 = 6

x = 6

Plug x back in:

9(6) + 6 = 54 + 6 = 60°

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