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cricket20 [7]
3 years ago
10

Can Someone Please help me! Im having trouble with this one :/

Mathematics
2 answers:
natita [175]3 years ago
4 0

Answer:

75

Step-by-step explanation:

A streight line has an angle of 180 so if you take 180 and subtract 105 you get 75

Ivahew [28]3 years ago
3 0

Answer:

Equation: 105 + DBC = 180

DBC = 75

Step-by-step explanation:

ABC is a line and a line is 180 degrees

ABD + DBC = 180  because the two angles make up the straight line

We know ABD = 105

105 + DBC = 180

Subtract 105 from each side

105-105 +DBC = 180-105

DBC = 75

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