Which letter has symmetry?

The letter M has symmetry.

Step-by-step explanation:

Symmetry means that if you cut the letter in half, it will be the same on both sides, like a reflection in a mirror. So, the letter Q does not have symmetry. However, the letters B and E technically have (horizontal) symmetry, but this question is referring to vertical symmetry, so the answer is just the letter M.

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∠lno ≅ ∠lnm

∠oln ≅ ∠mln

step-by-step explanation:

given   that triangle lno is congruent to triangle lnm.

we have to fill up the blanks in the given question.

according to above order of congruency   kept in mind we can say that

∠lno ≅ ∠lnm

∠oln ≅ ∠mln

ln ≅ ln due to common in both.

hence, by sas congruency,

the side angle side rule   states that if two sides and the included angle of one triangle are congruent to another triangle, then these two triangles are congruent.

step-by-step explanation: