Question

I) the points a (9, 0), b (9, 6), c (-9, 6) and d (-9, 0) are the vertices of a

Answer 1

Answer:

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Step-by-step explanation:

AB= √(9-9)^2+(6-0)^2=6

BC= √(-9-9)^2+(6-6)^2=18

CD = √(-9+9)^2+(0-6)^2=6

DA = √(-9-9)^2+(0-0)^2=18

so,it's opposite sides are equal,hence it is

rectangle.