Question

find out volume Total surface area and curved surface area. L=15m B=6m H=5dm​

Answer 1

Answer:

Step-by-step explanation:

Solution is given in above pic

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Answer 2

Answer:

Given:

• $l = 15 \ m$
• $b = 6 \ m$
• $h = 5 \ dm = 0.5 \ m$

Solution:

★Volume :

$\boxed{V = lbh}$

$\therefore V = 15 \times 6 \times \ 0.5$

$\implies V = 45 \ m^3$

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★Total surface area :

$\boxed{T.S.A. = 2(lb + bh + hl)}$

$\therefore TSA = 2(15 \times 6 + 6 \times 0.5 + 0.5 \times 15)$

$TSA = 2(90 + 3 + 0.5)$

$TSA = 2(93.5)$

$\implies TSA = 187 \ m^2$

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★Curved surface area :

$\boxed{C.S.A. = 2(l+b)h}$

$\therefore CSA = 2(15 + 6)0.5$

$CSA = 15 + 6$

$\implies CSA = 21 \ m^2$

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