∠ABD and ∠BDE are supplementary. Find the measures of both angles if ∠ABD= 5x and ∠BDE=17x – 18.
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Step-by-step explanation:
5x+17x-18 = 180°
22x = 198
x = 9
∠ABD= 5x
= 5(9) = 45°
∠BDE=17x – 18
= 17(9)-18
= 135°
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