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16 May, 04:18

In the roof design below, the lower support beam, A, is 34 feet. The vertical support beam, B, is 29 feet. The two beams meet at a right angle. What is the length of the angled support beam, C (rounded to the nearest foot) ?

A. 43

B. 76

C. 63

D. 45

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  1. 16 May, 05:34
    0
    D. 45

    Step-by-step explanation:

    Without a diagram, we can only assume that C is the hypotenuse of a right triangle with legs A and B. If that is the case, then the length of C is given by the Pythagorean theorem:

    C^2 = A^2 + B^2

    C^2 = (34 ft) ^2 + (29 ft) ^2

    C^2 = 1997 ft^2

    C = √1997 ft ≈ 44.69 ft

    The length of beam C is about 45 feet.
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