exam
Maths Puzzle
Numerical Ability
The width of a rectangle is 2/3 of its length. Find its length if the perimeter is 80 cm. Find the dimensions.
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exam Other Question
a triangle ABC, with AF = 2FB, BD = EA, and CE = 3, find DC.
how do you solve an ellipse equation like this? when there a numbers in place of the a^2 and b^2?
(x-h)^2 (y-k)^2
_______ + _____
a^2 b^2