Respuesta :

Mickzminz

The answer is 6.6 inches

AREA OF TRIANGLE = 1/2 X BASE X HEIGHT

=> 39.6=12XH/2

=> 39.6X2=12XH

=> 79.2 = 12XH

=> 79.2/12= H

=> 6.6

Solution:

Given:

  • Area of right triangle = 39.6 in²
  • Base of triangle = 12 in

Area of triangle formula: 1/2 x Base x Altitude

Substitute the area and the base:

  • 1/2 x Base x Altitude = Area of right triangle
  • 1/2 x 12 x Altitude = 39.6 in²

Simplify the LHS:

  • 1/2 x 12 x Altitude = 39.6 in²
  • 6 x Altitude = 39.6 in²

Divide 6 both sides:

  • (6 x Altitude)/6 = 39.6/6
  • Altitude = 6.6 in.

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