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Lesson: Data Sufficiency Intermeddiate - 17t01

Geometry In Data Sufficiency

[Page 17 of 21]

The same Geometry equations and rules that you use for Problem Solving will help you answer Data Sufficiency questions. As with Problem Solving, Data Sufficiency questions may require you to use a combination of equations or formulas to answer the questions.

By test day, make sure you know the following relationships:

Pythagorean Theorem a2 + b2 = c2

Area of a triangle

The ratio of angles to sides in a 30 : 60 : 90 right triangle is 1 : 2v : 3

The ratio of angles to sides in a 45: 45: 90 right triangle is 1 : 1 : 2v

Area of a rectangle = base x height Circumference of a circle = 2?r

Area of a circle = ?r 2

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