trigonometry

Nikki bought a triangular lot whose sides are 9 meters, 12 meters, and 15 meters long. if it cost her 3500 pesos per square meter, how much did she pay for the lot?

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  1. right triangle 3, 4 ,5 each times three

    base 4, altitude 3

    (1/2)4* 4 = 6 m^2

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