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asked Aug 13, 2021 77.7k views

4 votes

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Mathematics
middle-school

Richard Clayton asked

by Richard Clayton

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1 Answer

3 votes

Answer:

341°

Explanation:

$m\angle DPC = m \angle APB = 19° \\ .. (Vertical\: \angle 's) \\</p><p>\therefore m(arc DC) = m\angle DPC= 19° \\ </p><p>\because m(arc DBC) = 360°-m(arc DC) \\ \therefore \: m(arc \: DBC) = 360 \degree - 19 \degree \\ = 341 \degree \\ \red{ \boxed{ \bold{\therefore \: m(arc \: DBC)= 341 \degree}}} \\$

Sina answered Aug 19, 2021

by Sina

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