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FrozenT [24]
2 years ago
9

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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