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SA=2(LW+LH+WH)
SA=94
L=3
W=4
94=2(3*4+3H+4H)
divide both sides by 2
47=3*4+3H+4H
47=12+7H
minus 12 both sides
35=7H
divide oth sides by 7
5=H
5m
Answer:
448in^2
Step-by-step explanation:
The area of a trapezoid is the bases added divided by two times the height.
(32+24)/2*16=28*16=448 in^2
Answer:
0.1333 or 
Step-by-step explanation:
The attached image contains the steps.
Answer:
We call the denominator rational.
Step-by-step explanation:
For example:

It's clear that the denominator is now a rational number, not an irrational one anymore.