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The longer side of a rectangle is 3cm longer than it’s shorter side if the diagonal is 15cm. What is the area of the rectangle?
3 years ago

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Jomary
Waiting
3 years ago
Jomary
Pls help me i need the solution
3 years ago
oobleck
geez -- impatient much?
If the shorter side is x, then
x^2 + (x+3)^2 = 15^2
so now just solve for x.

Or, you might recognize this triangle as a 3-4-5 right triangle, scaled up by a factor of 3.
3 years ago

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