Opposite angles are supplementary, the sum is 180 degrees.
6x+10+81.5=180
Combine like terms:
6x+91.5=180
Subtract 91.5 to both sides:
6x=88.5
Divide 6 to both sides:
x=14.75
The answer is 1) 14.75
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Answer:
4/3
Step-by-step explanation:
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The last one is the correct one.
Step-by-step explanation:
5x5
because 5^2 equals the area
We would need the data of their classmates scores to complete this answer