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1.The surface area of a rectangular prism is 150 cm². If all the sides are tripled, what will the new surface area be?
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Surface Area of a Rectangular Prism = 2ab + 2bc + 2ac if If all the sides are tripled, 3a,3b,3c new surface area be 2(3a)(3b)+2(3b)(3c)+2(3c)(3a)=9(2ab + 2bc + 2ac) 9 times of prevois area
understtod?
so would it be 9*150=1,350
yes
thnk you
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