A rhombic prism has the diagonal of the rhombus measuring 16 and 12 cm. If the the altitude of the prism is equal in size to the side of the rhombus. What is the surface area and the volume of the Rhombic Prism?

1 Answer
Jan 11, 2018

Total Surface Area of Rhombuic Prism T S A = color(red)(592 cm^2)TSA=592cm2

Volume of Rhobic Prism V_R = color (blue)(960 cm^3)VR=960cm3

Explanation:

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Area of Rhombus base A_R = (1/2) * D1 * D2 = (1/2) * 16 * 12 = 96 cm^2AR=(12)D1D2=(12)1612=96cm2

Side of Rhombus a = sqrt(((D1)/2)^2 + ((D2)/2)^2)a=(D12)2+(D22)2

a = sqrt(8^2 + 6^2) = 10 cma=82+62=10cm

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Height of prism h = a = 10 cmh=a=10cm

Lateral Surface Area A_L = 4 * (10*10) = 400 cm^2AL=4(1010)=400cm2

Total Surface Area T S A = L S A + 2 A_R = 400 + (2*96) = color(red)(592 cm^2)TSA=LSA+2AR=400+(296)=592cm2

Volume of Rhombus V_R = A_R * h = 96 * 10 = color(blue)(960 cm^3)VR=ARh=9610=960cm3