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sandstorm163
29.05.2020 •
Mathematics
PLEASE HELP IM ON A UNIT QUIZ
What is the measure of Angle y? A line comes out of a horizontal line to form angles 139 degrees and y degrees.
41°
49°
51°
61°
Solved
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Ответ:
3ft by 6ft
Step-by-step explanation:
Area = l*w
P = 2(l+w)
We know that the area is the same as the perimeter
2 (l+w) = 18
Divide each side by 2
l+w =9
Our choices our 1,9
2,8
3,6
4,5
we know that they have to multiply to 18
1*9 =9
2,8 = 16
3,6=18
4,5=20
They only choice is 3 by 6