2 years ago

Dmitri wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles

Mathematics

1 answer:

Scorpion4ik [409]2 years ago

8 0

9514 1404 393

Answer:

968

Step-by-step explanation:

The area of the top and sides is given by the formula ...

A = LW +2H(L +W)

A = (20 cm)(18 cm) +2(8 cm)(20 cm +18 cm)

A = (360 +16(38)) cm² = 968 cm²

Since the tiles are 1 cm², 968 tiles are needed.

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