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Mathematics, 27.09.2019 04:30 cschellfamily

∠c and ∠d are vertical angles with m∠c=−2x+90 and m∠d=x−30

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what is m∠d
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∠c and ∠d are vertical angles with m∠c=−2x+90 and m∠d=x−30

.

what is m∠d
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