The diagram is a rhombus.
As three angles add up to 180° so 180-116=64 and since each line is congruent the angles should be too so 64/2= 32°.
What shape is a rhombus?
A rhombus is a quadrilateral in which both pairs of sides are parallel and all sides are of the same length, that is, parallelograms of equal sides. The word rhombus is sometimes used instead of the rhombus, and the rhombus is sometimes called a diamond.
The rhombus is a special case of a parallelogram. In a diamond, the opposite sides are parallel and the opposite sides are equal in angle. In addition, all sides of the rhombus are the same length and the diagonal bisects at right angles. Diamonds are also called diamonds or diamonds
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