A regular octagon has a side of 12 cm and the perpendicular distance from the center to one of the sides is 14.5 cm. The area of the octagon is
(a) 522 sq. cm
(b) 696 sq. cm
(c) 1044 sq. cm
(d) 1392 sq. cm
(e) 87 sq. cm
(b) 696 sq. cm
Mathematics
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Evaluate the integral.
sin t dt
A. 
B. 
C. 
D. 8
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Find the slope of the polar curve at the indicated point.r = 6 sin 4?, ? = 
A. 
B. 1 + 
C. -1
D. undefined
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Find the area of the shaded region. Use 3.14 to approximate ?, if needed. Round to the nearest tenth if necessary.
A. 20 sq yd B. 36 sq yd C. 10 sq yd D. 40 sq yd
Mathematics
Graph. Label any intercepts and determine the slope of the line. If the slope is undefined, state this.x = -7
A. x-intercept: (-7, 0), m: - 
B. x-intercept: (0, -7), m: 0
C. x-intercept: (0, 0), m: -7
D. x-intercept: (-7, 0), m: undefined
Mathematics