1214tyler1214
1214tyler1214 1214tyler1214
  • 02-03-2021
  • Mathematics
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The height of a triangle is 8 m less than its base. The area of the triangle is 42 m². The situation can be represented by the equation 12b(b−8)=42, where b is the length of the base in meters.

What is the length of the base?

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Respuesta :

24curticed
24curticed 24curticed
  • 02-03-2021

Answer:

14

Step-by-step explanation:

A = 1/2 BH

B = 5H

A = 490

490 = 5/2 * H^2

H = 14

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