2 answers:
Answer:
Pretty sure it's 140.87 cm
Step-by-step explanation:
Multiply 3 1/2 by 4 1/4
Divide by two which is 7.43
Multiply 3 1/2 by 12
Now add 42+42+42+7.43+7.43
OR
126+14.87
Answer:
V=94.5 cm^3
Explanation:
Volume of a Prism: (B)H
B=Base Formula
H=Height of Prism
H=12
Triangle Base Formula: 1/2bh
b=3.5
h=4.5
Substitute Variables in formula:
V=[1/2(3.5)(4.5)](12)
Solve:
V=(7.875)(12)
V=94.5 cm^3
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