Answer: x = 11
To start, we know that a whole circle equals 360 degrees. If we subtract the 2 arcs we know, 85 and 31, we have 244 degrees left for the 2 congruent arcs. Dividing that by 2 gives us 122 for each arc.
Now, write the equation: 122 = 13x - 21
Solve this, to find the x = 11.
47.34 baseball r add 23 divide 62 by 6
Answer:
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Step-by-step explanation:
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29°
Consider the right triangle between the plank and the ground
the angle can be found using tangent ratio
tanx° = 
where adjacent = 18 and opposite = 10
tanx° = 
x = 
() = 29.0546 ≈ 29°
