Referring to triangle ABC, find the area of the triangle.
?
?
Round to three significant digits.
?
S = __________ km2
Fill in the blank(s) with the appropriate word(s).
1,860
Mathematics
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Find the angle between u and v in radians.u = -4i - 2j, v = 4i + 3j + 6k
A. 1.85 B. -0.68 C. 1.59 D. 2.25
Mathematics
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.csc 
A. - 
B. - 
C. - 
D. - 
Mathematics
Write the place value of the underlined numeral.23,84
A. Units B. Tens C. Thousands D. Hundreds
Mathematics
Solve the triangle. Approximate values to the nearest tenth when appropriate.? = 63°30', a = 12.2, c = 7.8
A. b = 13.2, ? = 73°7', ? = 37°23' B. b = 12.2, ? = 75°7', ? = 41°23' C. b = 11.2, ? = 77°7', ? = 39°23' D. No solution
Mathematics