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valkas [14]
3 years ago
7

The diagram below shows a stair which is 1 foot deep.mark as brilliant! help​

Mathematics
1 answer:
kramer3 years ago
8 0
Answer is C. 1 2/3

A^2 + B^2 = C^

A^2 + 1 = 1 2/3^2

A^ + 1 = 2 7/9

A^2 = 2 7/9

Square root of both makes it
A = 1.66666 or 1 2/3

ANSWER IS 1 2/3
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