When two lines are cut by a third line (transversal) alternate angles are between the pair of lines on the outside of the transversal. ExampleĪ step-by-step method for solving problems in mathematics. Two lines, or sides that share a common point (vertex).Ī strand of mathematics that substitutes symbols or letters for unknown numbers.The process of combining collections of objects into a larger collection.Īdd, addition, plus and sum are related terms. Add, addition, plus and sum are related terms.Ĭombining a collection of things together:.The process of combining collections of objects into a larger collection.The red lines illustrate some angles that are acute (less than 90 degrees).Ī triangle with all interior angles less than 90 degrees. The accuracy of the measurement depends on the quality of the instrument being used and the person measuring.
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