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22-03-2019
Mathematics

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Identify the missing base of the trapezoid, given that A=36 cm∧2. HELP PLEASE!!

Identify the missing base of the trapezoid given that A36 cm2 HELP PLEASE class=

Respuesta :

choixongdong choixongdong

22-03-2019

Answer:

6 cm

Step-by-step explanation:

A = 1/2(b + 12)(4)

36 = 1/2(b + 12)(4)

72 = (b + 12)(4)

18 = b + 12

18 - 12 = b

6 = b

or

b = 6 cm

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