A hip roof is shown in the diagram.  The roof front and back are in the shape of congruent isosceles trapezoids.  The two sides are in the shape of congruent isosceles triangles. Compute the length of the roof edge AB rounded to 2 decimal places.

Fill in the blank(s) with the appropriate word(s).


7.42 m

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En un cuarto en el que se guardan agentes desinfectantes inflamables volátiles, el cuarto se considera un área Clase 1, División 1:

a. hasta 5 pies (1,52 m) por debajo del techo interior e incluye el área sobre el techo falso. b. desde 5 pies (1,52 m) sobre el nivel del piso hasta el techo interior c. hasta 5 pies (1,52 m) sobre el nivel del piso. d. desde el piso hasta el techo interior.

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____ is a highly effective an oxygen-depleting gas used to extinguish all types of fires.

A. Zenon B. Oxygen C. Halon D. Argon

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Two circles having different size radii but having the same center point are said to be eccentric circles

Indicate whether the statement is true or false

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Carry the answer to four decimal places. A bearing with an inside diameter of 1 inches is found to be 0.008 inch oversize for the armature shaft. What should the diameter of the bearing be to fit the shaft? Allow 0.002-inch clearance for lubrication.

Fill in the blank(s) with the appropriate word(s).

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