- A11 cm
- B12 cm
- C13 cm
- D15 cm
Step-by-Step Solution
The base must be less than 6 + 6 = 12 cm. Only 11 cm works; 12 cm would make the sides lie flat.
Answer: A) 11 cm
An isosceles triangle has two equal sides of 6 cm each. Which length can its base have?
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