Which statement is TRUE? A) All kites have one line of symmetry. B) All trapezoids

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A) All kites have one line of symmetry.

Step-by-step explanation:

Not all trapezoids have rotational symmetry.

A kite can never be rotated to look exactly the same, or if it does then it will become a rhombus or parallelogram.

Isosceles trapezoids do not have rotational symmetry.

This leaves us with:

All kites have one line of symmetry, which is true since it can't be a kite without symmetry or more symmetry than normal.

120

Step-by-step explanation

Exterior angle theorem:

d = a + b

d = 70 + 50

d = 120