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Mathematics 8 Online
OpenStudy (anonymous):

One way to build a staircase is to attach triangular blocks to an angled support, as shown above. If the support makes a 32 angle with the floor, what must the measure of angle 1 be so that the steps are parallel to the floor?

OpenStudy (anonymous):

OpenStudy (anonymous):

D is wrong. I think its C.

OpenStudy (anonymous):

The answer is B. 32. I don't know how but it is

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