josephgperez
12.04.2021 •
Mathematics
Find the length of the rectangle.
7 mi
Area = 56 sq mi
1
A. 21 mi
B. 8 mi
C. 30 mi
D. 4 mi
Solved
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Ответ:
1
A) 21 mi
Ответ:
Ответ:
a=1
b=6
c=2
Form: t= -b/2(a) ( to find h)
-6/2= -3(1)
h=-3
Substitute
3(2) + 6(2) + 2 = 6+12+2
= 20
The vertex is (-3,20)