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Members of the fire department lean a 30-foot ladder against a building. The side of the building is perpendicular to the level ground so that the base of the ladder is 10 feet away from the base of the building. To the nearest foot, how far up the building does the ladder reach? B. 20 C. 28 D. 31 E. 40 A. 10 A square is circumscribed about a circle of 7-foot radius, as shown below. What is the area of the square, in square feet? F. 49 G. 56 H. 98 J. 49 K. 196 The ratio of the side lengths for a triangle is exactly 12:14:15. In a second triangle similar to the first, the shortest side is 8 inches long. To the nearest tenth of an inch, what is the length of the longest side of the second triangle? A. 11.0 B. 10.0 C. 9.3 D. 6.4 E. Cannot be determined from the given information G. F. H. K. J. In the figure shown below, each pair of intersecting line segments meets at a right angle, and all the lengths given are in inches. What is the perimeter, in inches, of the figure? B. 52 C. 56 D. 66 E. 80 A. 40 F. 80 G. 90 H. 160 J. 200 K. 320 |