Quadrilateral G'R'A'M' is a translation
of quadrilateral GRAM. Describe
the translation.

3/6   and 9/18

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

the answer is d

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sorry not knowing about that