SSAT Math Question 317: Answer and Explanation
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Question: 317
6. If the perimeters of triangle ABC and quadrilateral BCDE are each 18, then r + s =
- A. 6
- B. 9
- C. 12
- D. 18
Correct Answer: B
Explanation:
The answer is B
First determine the value of r: r + r + r = 18, so r = 6. Next determine the value of s: 6+ 6 + s + s = 18, so s + s = 6, and s = 3. Add r and s: 9.