Finding the Height in a Triangle: A Simple Approach to College Algebra

Explore the steps to find the height of a triangle given the area and base. Understanding these principles can ease your College Algebra CLEP Exam preparation.

When it comes to conquering college algebra, understanding the fundamentals is key—especially concepts like calculating the area of a triangle. Imagine you’re standing at the starting line of the College Algebra CLEP Exam, maybe feeling a mix of excitement and a touch of anxiety. That’s completely normal! But hey, let’s tackle one of those foundational concepts that often pop up: finding the height of a triangle when you know its area and base.

So, picture this: we’ve got a triangle with an area of 20 square units and a base measuring 5 units. A straightforward problem, right? But hold on! The question is, what’s the height?

To unravel this, we need to tap into our trusty triangle area formula. You remember it, don’t you? The area (A) of a triangle can be calculated with the formula: [ A = \frac{1}{2} \times \text{base} \times \text{height} ] For our scenario, we can set up the equation like this:

[ 20 = \frac{1}{2} \times 5 \times h ] Where (h) represents the height we’re trying to find.

Now, let’s simplify this baby! Start by multiplying both sides by 2 to get rid of that pesky (\frac{1}{2}):

[ 40 = 5 \times h ]

Next, to find (h), divide both sides by 5:

[ h = \frac{40}{5} = 8 ]

So, voilà! The height of our triangle is 8 units. Doesn’t it feel good to see the numbers work out?

Now, let’s examine the answer choices we started with.

  • Option A: 6 — Not possible since (20) isn’t a multiple of (3).
  • Option B: 8 — Ding, ding, ding! That’s our correct answer.
  • Option C: 10 — Nope, because (20) isn’t a multiple of (2).
  • Option D: 12 — This would throw us way off because the area would total (30), not (20).

It’s pretty clear how crucial it is to understand these core formulas in college algebra, wouldn’t you agree? These are the building blocks that can truly help you not just in exams but in further math endeavors.

And even if statistics and calculus seem like they're light-years away in terms of difficulty, grasping the basics makes everything else seem a little less intimidating. So, as you prep for the College Algebra CLEP Exam, remember this triangle fundamental. It’s not just about the formula—it’s about applying your knowledge confidently in any question that pops up.

Finally, if you ever feel like you're spiraling down a rabbit hole of formulas and equations, take a breath, and try to visualize the problem. Maybe even sketch a triangle! It’s amazing how a simple line drawing can clarify everything. You've got this!

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy