GRE Geometry: Circles

 A circle is a labeled by its center point: O means the circle with center point O Diameter A line segment, generally denoted by the variable, that connects two points on the circles and passes through the center of the circle   Radius:- A line segment, generally denoted by the variable r from the center […]

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GRE: Three Dimensional Figures (Uniform Solids)

Volume The volume of a solid is the amount of space enclosed by the solid. Surface area In general, the surface area of a solid is equal to the sum of the areas of the solid’s faces. Rectangular Solid A solid with six rectangular faces ( all edges meet at right angles) Volume= Area of […]

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Lines, Angles and Triangles

Conditions of similarity:-   AAA Similarity:- If in two triangles, corresponding angles are equal, then triangles are similar.             If ∠A = ∠P , ∠B = ∠Q , ∠C = ∠R Then △ABC ~ △ PQR SSS Similarity:- If the corresponding sides of two triangles are proportional then they are […]

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