The perimeter is
Area:
Solve the first one for y and sub into the area:
Now, expand and solve the resulting quadratic.
please could you help me with this question.
The perimeter of a rectangle is 34cm. given that the diagonal is of length 13cm, and that the width is x cm, derive the equation x^2 - 17x + 60 = 0.
Hence find the dimensions of the rectangle.
please help me, solve this problem.
Maybe its me being thick.
Thanks galactus
But i don't under stand what u have done.
The answer is 5cm x 12cm.
Do you mean solve the equations as simultaneous equations.
don't understand what you have done.
don't understand what you have done.
where did u get the formulas.
are of rect = l x h
perimenter = 2l + 2 H
solve it, so i can see how u got the answer
where did u get the 169 from
.
I just solved one equation for a variable and subbed into the other. That is all you have to do.
Solve for y and sub into the diagonal:
The diagonal is 13. So, by Pythagoras, we have
We have two equations with two unknowns, solve away. I pretty much showed all the steps in the first post.