exam
Maths Puzzle
Numerical Ability
If the sides of a square are decreased by 3 cm, the area is decreased by 81cm^2. What were the dimensions of the original square?
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exam Other Question
what is quadrant 1 2 3 &4
Given: Ray AO is perpendicular to Ray CO
Prove: angle 1 and angle 3 are complementary angles
I have tried different things, but I do not understand this problem.