ISEE Mathematics Achievement Question 270: Answer and Explanation
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Question: 270
16. What is the perimeter of an equilateral triangle, one side of which measures 4 inches?
- A. 12 inches
- B. 8 inches
- C. 6 inches
- D. 4 inches
Correct Answer: A
Explanation:
A An equilateral triangle has equal sides. Therefore, if one side has a length of 4, all sides have a length of 4. Add all the sides to find the perimeter: 4 + 4 + 4 = 12. The correct answer is (A).