The altitude of a triangle is represented by r = 3 and the base of that triangle is represented by 3x + 1. Express the area of the triangle in terms of x.

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asked Nov 24, 2022 45.6k views

2 votes

The altitude of a triangle is represented by r = 3 and the

base of that triangle is represented by 3x + 1. Express the
area of the triangle in terms of x.

Mathematics
high-school

Jose Vega asked

by Jose Vega

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1 Answer

4 votes

Answer:

x = 2/9A - 1/3

Explanation:

A = [ 3 (3x+1) ]/2

A =( 9x+3) /2

2A = 9x + 3

2A - 3 = 9x

(2A - 3)/9 = x

2/9A - 1/3 = x

Manish Ahire answered Nov 29, 2022

by Manish Ahire

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