Please help with part A, I’re tried the question but I’m not sure if it’s correct
Question
Answer:
Answer:tsa of semi-cylinder is 21.21m²Step-by-step explanation:tsa of cylinder = 2πr² + 2πrhradius = diameter ÷2 = 1.5mtsa = (2×π×1.5²) + (2×π×1.5×3) = 4.5π + 9π = 13.5π ≈ 42.412m²(3d.p) (cylinder)semi = 42.41 ÷ 2 ≈ 21.21m² (2d.p)(Correct me if i am wrong)
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5 months ago
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