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Summary GRE Math exam questions and answers

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GRE Math exam questions and answers

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  • September 5, 2024
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  • GRE Math ex
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Waynee
GRE Math exam questions and answers
The sum of the angles in a quadrilateral is - 360°



Any n-sided polygon can be divided into how many triangles? (by drawing
diagonals from one vertical) - n-2



The sum of the measures of the n angles in a polygon with n sides - (n-2) x 180



In any polygon, all external angles equal up to - 360°



If you measure all exterior angles in a polygon, they all equal - 360°



In any Regular Polygon, the measure of each interior angle - (n-2)x180/n



In a Regular Polygon, the measure of each exterior angle - 360/n



The consecutive angles in a parallelogram equal - 180°



A quadrilateral where two diagonals bisect each other - Parallelogram

,GRE Math exam questions and answers
In a rectangle, all angles are - Right



In a Rectangle, each angles measures - 90°



Each diagonal divides a square into 2 - 45 45 90 Right triangles (x, x, x*square root
of 2)



What kind of trapezoid has equal parallel sides? - Isosceles Trapezoid



The Perimeter of a rectangle - P=2(l+w)



The Perimeter of a Square - P=4s (s=side)



Area of a Parallelogram: - A=(base)(height)



Area of a Rectangle: - A=(side)² or A=½(diagonal)²



Area of a Trapezoid: - A=½(base₁+base₂)(height)

, GRE Math exam questions and answers
For any given perimeter, the rectangle with the largest AREA is a - Square (versus a
rectangle)



For any given Area, the rectangle with the smallest perimeter is a - Square (versus
a rectangle)



(x-y)(x+y) - x²-y²



(x-y)² - x²-2xy+y²



(x+y)² - x²+2xy+y²



An Angle that's 180° - Straight Angle



The sum of all angles around a point - 360°



If one of the angles formed by an intersection is right, they're all right - True



If a pair of parallel lines is cut by a transversal that's not perpendicular, the sum of
any acute angle and any obtuse angle is - 180

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