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Valentin [98]
3 years ago
12

Mariah builds a tabletop using square tiles, There are 12 rows of tiles and 30 tiles in each row. How many tiles does Mariah use

Mathematics
1 answer:
kiruha [24]3 years ago
4 0
360 tiles because you have to multiply 12x30.
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Length of the door = 7 ft

Breadth of the door = 5 ft

Area of the door = length × breadth

                            = 7 × 5

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Area of the trapezoid = \frac{1}{2} \times\text{sum of the parallel sides}\times\text{height}

                                    $=\frac{1}{2}\times(12+20)}\times15

                                    $=\frac{1}{2}\times 32\times15

                                    = 240

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