Answer:
The actual height is 150ft
Step-by-step explanation:
Given


Required
Determine the actual height
Substitute 60ft for width in: 

Express as fraction


Make height the subject



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good luck :)
Answer:
Use quickmath.com
or
You can use photo math to get the answer
Answer:
790 units^2
Step-by-step explanation:
Take the area of each side and add them all up. Remember each side is there twice.
Formula: SA = 2(15*5 + 15*16 + 5*16)
SA = 2(75 + 240 + 80)
SA = 2(395)
SA = 790