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A rectangular book measures 3 x 5. What is the length of its diagonal?
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22 votes
A rectangular book measures 3 x 5. What is the length of its
diagonal?

User Smcstewart
by
4.7k points

1 Answer

7 votes
let's pythagorean theorem!
a^2 + b^2 = c^2
a and b are the sides, c is the diagonal
3^2 + 5^2 = c^2
9 + 25 = c^2
34 = c^2
5.83 = c
User Kenneth Fisher
by
4.2k points
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