Figure abcd is a parallelogram with point c (3, −2). figure abcd is rotated 90° counterclockwise to form figure a′b′c′d′. what coordinate would be the output for point c'? c' (2, −3) c' (−2, 3) c' (2, 3)

C'(2, 3 )

under a counterclockwise rotation about the origin

a point (x, y ) → (- y, x ) hence

C(3, - 2 ) → C'(2, 3 )

3/6   and 9/18

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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