Q28
The base of a solid right prism of height 10 cm is a square and its volume is 160 m3. What is the total surface area of the prism (in cm2)?
A.
200
B.
176
C.
192
AnswerD.
180
Answer: Option C
Solution
Answer: Option C
Solution:
10 cm ⇒ heightVolume of Prism = Base Area × height
160 = a2 × 10
a = 4
Total surface area = 2Base Area + Base per meter × length
= 2 × 16 + 16 × 10
= 32 + 160
= 192