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Luba_88 [7]
3 years ago
7

A

Mathematics
1 answer:
Len [333]3 years ago
4 0

Answer:

what should we have to do here

I don't understand

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laila [671]

Answer:

4a) 110 square centimetres

4b) 127 square centimetres

6) 292 square centimetres

8) 800 tiles

Step-by-step explanation:

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a) The large rectangle has dimensions 12 cm by 15 cm. Its area is:

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The unshaded part has a length of 15 - (3 + 2) cm i.e. 10 cm and a width of 7 cm. Its area is:

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b) The large rectangle has dimensions 13 cm by 11 cm. Its area is:

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6. The background area of the space not covered by the photograph is the area of the frame minus the area of the photograph.

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A = 24 * 18 = 432 square centimetres

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The number of tiles that are needed is the area of the floor divided by the area of each tile:

A / a = 32 / 0.04 = 800 tiles

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3 years ago
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