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3 years ago

10

Find measure dbc 19 22 23 161 HELP !!!

1 answer:

iren2701 [21]3 years ago

4 0

Angles ABD and DBC are supplementary. They are also a linear pair because they share a ray. Supplementary angles add up to equal 180, as do linear pairs. Therefore, from our picture, 7x + x - 4 = 180. 8x = 184. Therefore, x = 157. 157-4 = ∠DBC, so ∠DBC = 153.

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