A box has a length of (3x+2)cm, a width of 2x cm and a height of 5 cm a. What it is volume
b. what it is total surface area?
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Step-by-step explanation:
first volume is l×b×h=(3x+2)(2x)(5)
3x+2(10x)=30x²+20x
total surface area
SA=lb+lw+he
=(3x+2)(2x)+(3x+2)(5)+2x(5)
=6x²+4x+15x+10+10x
=6x²+29x+10=S
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