exam Maths Puzzle Numerical Ability

How do you find the ratio for two similar parallelograms?

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exam Other Question

Explain the following in your own words: (a + b)2 � a2 + b2. Give a numerical example to illustrate this. I am not sure I am solving this problem correctly could you please explain it to me? Simplify the complex fraction:

w+3/4w / w-3/2w

Thank you for your help.