exam Maths Puzzle Numerical Ability

I am a polygon.
I have two right angles.
I have only one pair of parellel sides.
What am I?___________________

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exam Other Question

The volume of a cube is given by V = s3, where s is the length of a side. Find the length of a side of a cube if the volume is 700 in3. Round the answer to three decimal places. I have 4 numbers: 2/3, 5/8, 6, 6. I can only use those numbers and I can not make them into decimals. I need to make 24. How can I do this?