2 years ago

Something else i’m supposed to know

Mathematics

1 answer:

Andru [333]2 years ago

8 0

Answer:

x equals 9.

The largest angle is 90.

Step-by-step explanation:

$10x + 3x + 7x = 180 \\ \frac{20x}{20} = \frac{180}{20} \\ x = 9$

$x = 9 \\ 10x \\ 10(9) \\ 90$

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