MartinTDL
18.03.2021 •
Mathematics
The length of a flat screen TVs is 5 inches less than twice it’s width. If the perimeter of the tv is 140 inches . What are the dimension (LxW)
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Ответ:
see the distance formula to find the length of the sides...
opposite sides equal it could be a rectangle or parallelogram
all sides equal, square or rhombus
adjacent equal, kite
and then the slope is used to check angles
if the product of the 2 lines in -1 the lines are perpendicular (right angle)
the the slopes of 2 lines are the same the sides are parallel.
hope it helps