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28-01-2021
Mathematics

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Item 18 A triangular sail has a base of 4 feet and a height of 10 feet. What is the area of a sail with double the base and double the height?

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28-01-2021

Answer:

[tex] 80{ft}^{2} [/tex]

[tex]a \: = \frac{1}{2} b \times h \\ a = \frac{1}{2} \times 8 \times 20 \\ a= \frac{1}{2} \times 160 \\ a = 80[/tex]

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