Children's pool

Children's pool at the swimming pool is 10m long, 5m wide and 50cm deep. Calculate:

(a) how many m2 of tiles are needed for lining the perimeter walls of the pool?
(b) how many hectoliters of water will fit into the pool?

Result

S =  65 m2
V =  250 hl

Solution:

a=10 m b=5 m c=50 cm=50/100 m=0.5 m  S=a⋅ b+2⋅ (a+b)⋅ c=10⋅ 5+2⋅ (10+5)⋅ 0.5=65 m2a=10 \ \text{m} \ \\ b=5 \ \text{m} \ \\ c=50 \ cm=50 / 100 \ m=0.5 \ m \ \\ \ \\ S=a \cdot \ b + 2 \cdot \ (a+b) \cdot \ c=10 \cdot \ 5 + 2 \cdot \ (10+5) \cdot \ 0.5=65 \ \text{m}^2
V1=a⋅ b⋅ c=10⋅ 5⋅ 0.5=25 m3 V=V1→hl=V1⋅ 10 hl=250 hl=250 hlV_{1}=a \cdot \ b \cdot \ c=10 \cdot \ 5 \cdot \ 0.5=25 \ \text{m}^3 \ \\ V=V_{1} \rightarrow hl=V_{1} \cdot \ 10 \ hl=250 \ hl=250 \ \text{hl}

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