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OpenStudy (anonymous):
Given the area of a triangle is 40 cm2, if its altitude is 8 cm, its base is 15 cm.
True
False
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OpenStudy (anonymous):
@mayankdevnani
OpenStudy (anonymous):
Im thinking its false but not sure
OpenStudy (anonymous):
8x15=120
OpenStudy (mayankdevnani):
area of triangle=1/2*base*height
OpenStudy (mayankdevnani):
1/2*8*15=60cm^2
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OpenStudy (mayankdevnani):
yaa it is false
OpenStudy (mayankdevnani):
@Claire4christ ok
OpenStudy (anonymous):
A rectangle has an area of 150 m². If one side is 25 m, then the length of the adjacent side is how long?
60 m
37.5 m
0.6 m
6 m
OpenStudy (anonymous):
6
OpenStudy (mayankdevnani):
area of rectangle=l*b
150=25*x
x=6
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OpenStudy (mayankdevnani):
option d
OpenStudy (anonymous):
ok i got it
OpenStudy (mayankdevnani):
ok
OpenStudy (anonymous):
A square measures 6 inches on each side. What is it's area rounded off to the nearest whole number.
232 cm²
1,296 in.²
91 cm²
18 in.²
OpenStudy (anonymous):
little confused
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OpenStudy (anonymous):
1=2.5
6x4=24
24x2.5=60
OpenStudy (anonymous):
false . 40 = 1/2 b(8)
b=10 .
OpenStudy (mayankdevnani):
area of square=side^2=6^2=36
OpenStudy (mayankdevnani):
36cm^2 isn't options
OpenStudy (anonymous):
what
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OpenStudy (mayankdevnani):
yaa
OpenStudy (mayankdevnani):
comvert into inches
OpenStudy (anonymous):
explain
OpenStudy (mayankdevnani):
1 inch equals to
OpenStudy (anonymous):
i have to get one of thoses answers above
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OpenStudy (anonymous):
2.5
OpenStudy (mayankdevnani):
so multiply 2.5 by 36=
OpenStudy (anonymous):
90
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