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Please helpp i need this rn if possible

Please helpp i need this rn if possible-example-1
User Jim Bray
by
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1 Answer

3 votes

Answer:

140, 60

Explanation:

15x+5 + < CDB =180 line form an 180 angle

180-80-6x-6 = < CDB sum of angles in a triangle is 180

substitute < CDB from second to first

15x+5+180 -80-6x-6 =180

combine like terms

9x -81 =0

x=81/9=9

so angle YDC = 15*9+5 = 140 degrees

and angle DBC = 6*9+6= 60 degrees

User Tony Babarino
by
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