Solve the problem.The striking circle in field hockey is a semicircle with a radius of 16.5 yards. Find the area of the semicircle. Use 3.14 as an approximation for 
A. 3419.46 sq yd
B. 427.4325 sq yd
C. 103.62 sq yd
D. 854.865 sq yd
Answer: B
Mathematics
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Find the missing parts of the triangle.B = 19.5°b = 8.25a = 20.40
A. A = 15.25°, C = 145.25°, c = 25.65 B. No solution C. A = 17.25°, C = 143.25°, c = 28.65 D. A = 18.25°, C = 144.25°, c = 30.15
Mathematics
Add. Write a mixed numeral for the answer.4
+ 8
A. 12
B. 4
C. 13
D. 11
Mathematics
Express as a sum of logarithms.log811x
A. log8 11 + log8 x B. log8 11 - log8 x C. log4 11 - log4 x D. log4 11 + log4 x
Mathematics
Solve.8.5% of 2400 is what?
A. 2040 B. 20 C. 20,400 D. 204
Mathematics