Maybe:
Cos90=0
I’m not sure of the question here
Answer:
total surface area of cube is <u>6 * area of one side</u>
therefore area of one side is given 64cm^2
thickness is also given 5cm .
TSA is 64*5 = 320cm^2
hope it is helpful
Answer:
4x^2 – 25
Step-by-step explanation:
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