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ASAP PLEASE

The length of one base of a trapezoid is 19 lessthan five times the length of the other base. Ifthe trapezoid has a height of 18 feet and an areaof 477f * t ^ 2 find the length of the longer base.

Respuesta :

seetha1980

Answer:

41 feet

Step-by-step explanation:

Let x be the length of the shorter base

Longer base = 5x-19

Area = (x+5x-19)*18/2

477 = (6x-19)*9

Divide by 9,

53 = 6x-19

Add 19,

72 = 6x

Divide by 6,

x = 12

5x-19 = 5*12-19 = 60-19 = 41