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Mathematics 22 Online
OpenStudy (anonymous):

in quadrilateral ABCD ,the angels A,B,C are in the ratio 1:3:7 find a.D b.C given that the sum of A,B, and C is a.187 degree ,b.242 degree

Parth (parthkohli):

use equations.

Parth (parthkohli):

\[1x + 3x + 7x = 187\]

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