Answer:
rhombus
A rhombus is defined as a parallelogram with four equal sides. Is a rhombus always a rectangle? No, because a rhombus does not have to have 4 right angles. Kites have two pairs of adjacent sides that are equal.
Step-by-step explanation:
this polygon is a quadilateral
s(r(4)) = 13
Substitute and calculate:
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Algebra byan hhhaaahha