# math

The area of a triangle is 135 square inches. If the height is 15 inches, what is the length of the base?

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1. a = bh/2
135 = b*15/2
...

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posted by Steve
2. A = 1/2 * b * h

135 = (1/2)b * 15

135 = 7.5b

135/7.5 = b

? = b

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3. b= 18 inches

Thanks for the help

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4. Right.
You're welcome.

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