Inside the unfolded angle of the BOC, the beam was conducted as follows. that the DOC angle is 20 degrees
| December 1, 2020 | education
Inside the unfolded angle of the BOC, the beam was conducted as follows. that the DOC angle is 20 degrees less than the DOC angle. Find the angles DOC and DOB
The flattened angle is always 180 °.
We denote the smaller angle of the DOC for X, then the other angle of the DOC is equal to X + 20,
Let’s compose and solve the equation
X + X + 20 = 180
2X = 160
X = 80
Answer: 1) DOC = 80 2) DOB = 100
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