If the altitude and the base of a triangle were each increased by 2 cm, the area would increase by 19 cm2 . If the altitude is increased by 3 cm and the base is decreased by 4 cm, the area will be decreased by 5 cm2. Find the base of the triangle.

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Answered: If the altitude and the base of a…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter10: Measurement, Area, And Volume

Section: Chapter Questions

Problem 1CT

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If the altitude and the base of a triangle were each increased by 2 cm, the area would increase by 19 cm² . If the altitude is increased by 3 cm and the base is decreased by 4 cm, the area will be decreased by 5 cm². Find the base of the triangle.

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

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