A triangle has exactly one line of symmetry. Which type of triangle could it be?

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A Scalene triangle
B Equilateral triangle
C Isosceles triangle
D Right angled triangle

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Answer: C. Isosceles triangle

An isosceles triangle has two equal sides and exactly one line of symmetry, which divides it into two identical mirror-image halves.

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A triangle has exactly one line of symmetry. Which type of triangle could it be?

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