laddy6433
18.03.2020 •
Mathematics
Originally the dimensions of a rectangle were 20 cm by 23 cm. When both dimensions were decreased by the
same amount, the area of the rectangle decreased by 120 2
. Find the dimensions of the new rectangle.
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Ответ:
The correct answer is "A".
32.5*2= 65+ 50= 115
115+ 65 (the two base angles)= 180
All the angles of a triangle add up to 180.
Hope this helped you!