Can u help me in this problem. i don't know how to do it
1 answer:
Answer:
x=11
Step-by-step explanation:
- The angles directly opposite 80 and 60 are also 80 and 60 respectively, because they are vertical angles
- Now the triangle we see there, on the bottom left corner the angle is 80 degrees and the bottom right the angle is 60 degrees
- Theorem states that the sum of angles in a triangle is 180 degrees
- So 80 degrees plus 60 degrees plus the angle (x+51) is equal to 180
![80+60+(x+51)=180\\x+80+60+51=180\\x+191=180\\x+191-(191)=180-(191)\\x=11](https://tex.z-dn.net/?f=80%2B60%2B%28x%2B51%29%3D180%5C%5Cx%2B80%2B60%2B51%3D180%5C%5Cx%2B191%3D180%5C%5Cx%2B191-%28191%29%3D180-%28191%29%5C%5Cx%3D11)
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