Digital PSAT Math Practice Question 233: Answer and Explanation

Question: 233

An equilateral triangle has a side length of 6 centimeters. What is the area of the equilateral triangle?

  • A. 4
  • B.
  • C.
  • D.

Correct Answer: C

Explanation:

(C) Recall that the area formula for an equilateral triangle is:

So, simply plug in 6 for the side length and solve for the area:

If you forget this formula, you can use the given 30-60-90 triangle ratio to solve.

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