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Mathematics, 28.01.2020 10:31 7letters22

If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4? angles 4 and 8 being vertical.

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If m∠4 = (3x)° and m∠8 = (x + 40)°, what is the measure of ∠4? angles 4 and 8 being vertical....
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