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Mandarinka [93]
2 years ago
7

A semicircular archway is built in front of a garden using 8 congruent granite tiles, as shown in the diagram. Find the area of

one of the tiles. Round the answer to the nearest tenth.
Mathematics
1 answer:
lianna [129]2 years ago
5 0
In your question that ask to calculate the area of one of the tiles if a semicircular archway in the front of the garden is using 8 congruent granite tiles and the area of one of the tiles is 2.9ft ^2. I hope you are satisfied with my answer and feel free to ask for more. 
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a =  \frac{5}{16}

EXPLANATION

We want to find the value of a for which the binomial, 2a-1 is smaller than the value of the binomial 7-1.2a by 7.

This means that, when we subtract 2a-1 from 7-1.2a, we should get 7.

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