Find the area.
A. 16 ft2
B. 55 ft2
C. 32 ft2
D. 27.5 ft2
Answer: B
Mathematics
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An ice-cream cone has a slant height of 8" and a diameter of 4". Find the surface area of the outside of the cone. ?
A. 16 in2 B. ?20?in2 C. ?16?in2 D. 20 in2 E. ?48?in2
Mathematics
Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. k, m and n B. Only n C. l and n D. k, l, m and n
Mathematics
Factor: a2 + 8a + 16
a. (a + 1)(a + 16) b. (a + 2)(a + 8) c. (a - 2)(a + 10) d. (a + 4)(a + 4) e. (a - 4)(a - 4)
Mathematics
Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find sin ?.
A. sin ? = 
B. sin ? = 
C. sin ? = 
D. sin ? = 
Mathematics