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The area of a triangle is 24 square inches. What is the height of the triangle if the base length is 4 inches?

6 inches
8 inches
12 inches
20 inches

1 Answer

1 vote

Answer:


\boxed {\boxed { \sf 12 \ inches}}

Explanation:

The area of a triangle can be calculated using the following formula.


a=(1)/(2) bh

The area of the triangle is 24 square inches and the base is 4 inches long.

  • a= 24 in²
  • b= 4 in

Substitute the values into the formula.


24 \ in^2 = \frac {1}{2} * 4 \ in * h

Multiply on the right side of the equation.


24 \ in ^2 = ( (1)/(2) * 4 \ in ) * h


24 \ in ^2 =2 \ in *h

We are solving for the height of the triangle, so we must isolate the variable h. It is being multiplied by 2 inches. The inverse of multiplication is division, so we divide both sides by 2 inches.


\frac { 24 \ in ^2 }{2 \ in }= ( 2 \ in *h)/( 2 \ in)


\frac { 24 \ in ^2 }{2 \ in }= h


12 \ in = h

The height of the triangle is 12 inches.

User Varkhan
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