2 years ago

Work out the value of x

Mathematics

1 answer:

Sergio039 [100]2 years ago

7 0

Answer:

$x = 67.5 \degree$

Step-by-step explanation:

$x + 3x + 90 \degree = 360 \degree \\ \\ \implies \: 4x = 360 \degree - 90 \degree \\ \\ \implies \: 4x = 270 \degree\\ \\ \implies \: x = \frac{270 \degree}{4} \\ \\ \implies \: x = 67.5 \degree$

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