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24 Mar 2020, 09:48
Kudos
Bookmarks
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
92% (01:17) correct
8%
(00:53)
wrong
based on 11
sessions
History
Date
Time
Result
Not Attempted Yet
A closed rectangular box with a square base is 5 inches in height. If the volume of the box is 45 square inches, what is the box’s surface area in square inches?
(A) 45
(B) 66
(C) 78
(D) 81
(E) 90
(A) 45
(B) 66
(C) 78
(D) 81
(E) 90
25 Mar 2020, 02:19
Kudos
Bookmarks
SajjadAhmad
Solution:
- • Base of the box is square
- o Length of the box = breadth of the box = x (say)
o Volume of the box = length* breadth*height
o \(45 = x^2*5\)
o \(x^2 =\frac{45}{5}=9\)
o \(x =3\)
