Solve the following problems.
1. A 3 cm x 5 cm x 12 cm rectangular prism made of Paper clay is cut along diagonal. The prism is then split into two identical prisms. Find the total surface area of each prism formed.
2. A cylinder tank, 3m in diameter, contains water to a depth of 1.5m. Find the total area of its surface that is in contact with the water.
Answer please?
1. A 3 cm x 5 cm x 12 cm rectangular prism made of Paper clay is cut along diagonal. The prism is then split into two identical prisms. Find the total surface area of each prism formed.
2. A cylinder tank, 3m in diameter, contains water to a depth of 1.5m. Find the total area of its surface that is in contact with the water.
Answer please?
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Answer:
T.S.A= 2(lb+bh+hl)
= 2(3×5+5×12+12×3)
= 2(15+60+36)
= 2(111)
= 222 cm^2