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ollegr [7]
3 years ago
15

HELP ME !! AND EXPLAIN HOW YOU GOT IT.

Mathematics
1 answer:
ruslelena [56]3 years ago
3 0

Answer:

<h2>D = 75°</h2><h2>E = 37°</h2><h2>F = 68 ° Given </h2>

Step-by-step explanation:

(13x - 3) + (6x + 1) + (68) = 180 \\ 19x + 66 = 180 \\ 19x = 180 - 66 \\ x =  \frac{114}{19}  \\ x = 6 \\  \\  \\ d = 13x  - 3 \\ d = 13(6)  - 3 \\ d = 75 \\  \\ e = 6x + 1 \\ e = 6(6) + 1 \\ e = 37 \\  \\ f = 68 \\  \\ check \:  \:  \: 75 + 37 + 68 = 180

I hope that is useful for you :)

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