The English letters $\mathrm{C},\mathrm{D},\mathrm{E},\mathrm{K}$  have horizontal lines of symmetry. Write the remaining English letter which has horizontal lines of symmetry.

Write the English letter which has both horizontal and vertical lines of symmetry from the given options. $\left(\mathrm{B}/\mathrm{H}/\mathrm{K}/\mathrm{U}\right)$

Complete the mirror image.

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Complete the mirror image.

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Complete the mirror image.

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Complete the mirror image.