The base of a triangle is four less than three times the height. The area of the triangle is 38 square centimeters. A = (b x h)/2

An expression for the base of the triangle: ______________
Equation for the area of the triangle, substituting in for the base: _____________
The first step in solving for h: ______________
Fill In The Blanks
Options: Divide both sides by h, 4h - 3, Multiply both sides by 2, 4 - 3h, 3h - 4, 3h - 4 = 1/2(38 x h), 38 = (3h - 4 x h)/2

1 answer

Let's fill in the blanks step by step.

  1. An expression for the base of the triangle:
    The base \( b \) is four less than three times the height \( h \). This can be expressed as:
    3h - 4

  2. Equation for the area of the triangle, substituting in for the base:
    The area \( A \) of the triangle is given by the formula \( A = \frac{b \times h}{2} \). Substituting \( b \) with \( 3h - 4 \):
    A = (3h - 4) \cdot h / 2
    Since the area is given as 38 square centimeters, we write:
    38 = (3h - 4) \cdot h / 2

  3. The first step in solving for h:
    To eliminate the fraction, the first step is to multiply both sides by 2:
    Multiply both sides by 2

Combining them together, here are the finished responses:

  1. Expression for the base: 3h - 4
  2. Equation for the area: 38 = (3h - 4) \cdot h / 2
  3. First step in solving for h: Multiply both sides by 2