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Sedbober [7]
3 years ago
6

PLEASE REPLY ASAP What is the formula for finding the area of a regular polygon with perimeter P and apothem length a // A.) 719

sq units B.) 1039 sq units C.) 1359 sq units D.) 373 sq units
Mathematics
1 answer:
lianna [129]3 years ago
6 0
Area = 1/2 perimeter times the apothem
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Answer: Side of largest square tile will be 105 feet.

Explanation:

Since we have given that

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First we calculate the H.C.F. of 42 and 10,

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The largest square tile side would be 2 feet.

Now, we find the number of tiles used,

Number of tiles =

\frac{\text{Area of wall}}{\text{H.C.F. of }42\text{ and }11\times\text{ H.C.F. of }42\text{ and } 11}}\\\\=\frac{42\times 10}{2\times 2}\\\\=\frac{420}{4}\\\\=105

We get integer value of number of tiles.

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