To construct a 30°–60° right triangle given the length of the hypotenuse, it is necessary to construct

(a) a perpendicular to a point on a line.
(b) a perpendicular to a line from a point not on the line.
(c) an angle bisector.
(d) a copy of an angle
(e) None of these constructions is required.


Answer: A

Mathematics

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Solve. Round to the nearest tenth when necessary.Jack and Jill are planning a new kitchen. The old kitchen measured 11 feet by 20 feet. The new kitchen is similar in shape, but the longest dimension is 28 feet. What is the smaller dimension of the new kitchen?

A. 50.9 ft B. 7.9 ft C. 15.4 ft D. 6160 ft

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Complete.3.3 mi =  ft

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Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola. -  = 1

A. center at (0, 0)
transverse axis is x-axis
vertices at (-4, 0) and (4, 0)  
foci at (- 4, 0) and (4, 0)
asymptotes of y = - 3 and y = 3
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transverse axis is x-axis
vertices at (-4, 0) and (4, 0)  
foci at (-12, 0) and (12, 0)
asymptotes of y = - 3 and y = 3
C. center at (0, 0)
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foci at (- 4, 0) and (4, 0)
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D. center at (0, 0)
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vertices at (0, -4) and (0, 4)  
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Mathematics

Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of  in. go into a piece of wood when it is turned 10 complete rotations clockwise?

A.  in.
B.  in.
C.  in.
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Mathematics