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Home > GC > Chapter 3 > Lesson 3.1.3 > Problem 3-30


A triangle A, B, C where the legs are on the x and y axes. The right angle is at C (0, comma 0), A(0, comma 3), and B(5, comma 0).Examine the graph of line at right.  

  1. Find the equation of .

    Identify the slope and y-intercept from the graph and use the equation to write the equation of the line.

  2. Find the area and perimeter of .

    The area of a triangle is .
    Find the length of the hypotenuse by using the given leg lengths and the Pythagorean Theorem.

  3. Write an equation of the line through that is perpendicular to .

    The slope of a perpendicular line is negative the reciprocal of the original line.

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