[Base = Y + 1]  [Height = 2Y - 1]
in Algebra 1 Answers by Level 1 User (120 points)

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2 Answers

  • To find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles. For example, in the diagram to the left, the area of each triangle is equal to one-half the area of the parallelogram.
by Level 1 User (180 points)

Area=½(Y+1)(2Y-1)=½(2Y²+Y-1)=Y²+½Y-½.

by Top Rated User (696k points)

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