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Maths Puzzle
Numerical Ability
The measure of an interior angle of a regular polygon is three times the measure of an exterior angle of the same polygon. What is the name of the polygon?
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book Other Question
The sec theta = square root of 29 over 5, sin theta is negative. Find the other five functions (their exact value).
(-3xy^-9)^-2/(xy^-7)^-2
Simplify the expression using positive exponents only.