It is known that AOB = 90 °. The OD beam divides the AOB angle into two angles: AOD, DOB.
| December 12, 2020 | education
It is known that AOB = 90 °. The OD beam divides the AOB angle into two angles: AOD, DOB. Find AOD if the AOD angle is half the DOB angle.
Let the AOD angle be x, respectively, the DOB angle is 2x, and their sum is 90 degrees, then:
x + 2x = 90
3x = 90
x = 30 degrees
Answer: AOD angle is 30 degrees
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