26-02-2019
Mathematics

contestada

find the length of the second base of a trapezoid with one base measuring 29ft a height of 9ft and an area of 193.5ft

Respuesta :

choixongdong choixongdong

26-02-2019

Answer:

second base = 14 ft

Step-by-step explanation:

Area of a trapezoid :

A = 1/2(b1 +b2) h

2A =(b1 +b2) h

b1 +b2 = 2A/h

b2 = 2A/h - b1

Plug in

b2 = 2(193.5)/9 - 29

b2 = 43 - 29

b2 = 14

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