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jek_recluse [69]
3 years ago
12

A triangular bandana has an area of 54 square inches. The height of the triangle is

Mathematics
1 answer:
Nonamiya [84]3 years ago
5 0

Answer:

The base is 3 inches

Step-by-step explanation:

A = 1/2bh

54 = 1/2(36)b

54 = 18b

b = 3

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Step-by-step explanation:

<u>Step One: Figure out how much 40% is by making an equation:</u>

<em>Since we are looking for a percentage, we use cross multiplication to find X.</em>

\frac{x}{20} = \frac{40}{100}

<u>Step Two: multiply 20 by 40 to start cross multiplying:</u>

<em>20 times 40 is 800, so replace the 40 by 800 in the equation.</em>

\frac{x}{20} = \frac{800}{100}

<u>Step Three: divide 800 by 100, and we will have X:</u>

<em>800/100=8</em>

<em><u>X=8 aka 8 quarts</u></em>

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