3
Answer: CSet 3: Triangles (Beginner)
Explanation
PROBLEM
A triangle has sides 9, 8, and 3. What is its perimeter?
A triangle has sides 9, 8, and 3. What is its perimeter?
A.
23
B.
18
C.✓ Correct
20
D.
22
Detailed Explanation
Choice C is the best answer. Perimeter = 9 + 8 + 3 = 20
Why others are wrong:
A: 23 is incorrect because it does not satisfy the equation.
B: 18 is incorrect because it does not satisfy the equation.
D: 22 is incorrect because it does not satisfy the equation.