Find all real numbers ? in [0, 2?] satisfying the condition. cos ? = 1
A. ? = ?
B. ? = -?
C. ? = 0
D. ? = 
Answer: C
Mathematics
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Find the area of the shaded region.
A. 5 B. 10 C. 7.5 D. 12.5
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Use formulas to find the area of the plane region.
A. 32 in2 B. 12 in2 C. 64 in2 D. 16 in2
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Solve the problem.Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 47 feet from point A and 65 feet from point B. The angle ACB is 45°. How far apart are points A and B?
A. 103.7 ft B. 46 ft C. 65.4 ft D. 92.7 ft
Mathematics
Find the distance between the two points.
A. 60
B. 2
C. 60
D. 10
Mathematics