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Write a function rule for the area, a, of a triangle whose base, b, is 2 cm less than seven times the height, h. what is the area of the triangle when the height is 14 cm?

Respuesta :

b=7h-2
When h=14 b=96
a=(1/2)b*h
Therefor a=(96*14)/2
a=672cm^2
126431

Answer:

7h² – 2h over 2; 672

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