SOLUTION: Please help me
The with is a rectangle is 5m and the length of its diagonal is 13 cm
How long is the other side of the rec.
Algebra.Com
Question 791437: Please help me
The with is a rectangle is 5m and the length of its diagonal is 13 cm
How long is the other side of the rec.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
The rectangle is split into two right triangles if you add in a diagonal. So use the pythagorean theorem.
a^2 + b^2 = c^2
5^2 + b^2 = 13^2
25 + b^2 = 169
b^2 = 169 - 25
b^2 = 144
b = sqrt(144) ... note: b is never negative
b = 12
So the length is 12 meters.
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