prove that the quadrilateral ABCD whose vertices are (8,3),(7,8),(2,7) and (3,2) taken in order is a square . also find its area?
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Answer:
26 units²
Step-by-step explanation:
d = √(1²+5²) = √(1²+5²)=√26
A = (√26)² = 26 units²
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