In the diagram, m∠8=4x°, m∠7=30°, and m∠9=(6x−20)°. find the value of x.
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Mathematics, 19.11.2019 00:31 capricorn0115
In the diagram, m∠8=4x°, m∠7=30°, and m∠9=(6x−20)°. find the value of x.
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