SOLUTION: find the area of a right triangle with a hypotenuse of 15cm and a leg of 12cm

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Question 880922: find the area of a right triangle with a hypotenuse of 15cm and a leg of 12cm
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the other leg using the Pythagorean theorem.
L%5B1%5D%5E2%2BL%5B2%5D%5E2=H%5E2
L%5B1%5D%5E2%2B12%5E2=15%5E2
L%5B1%5D%5E2%2B144=225
L%5B1%5D%5E2=81
L%5B1%5D=9
Then the area of a triangle is,
A=%281%2F2%29L%5B1%5DL%5B2%5D
A=%281%2F2%29%289%29%2812%29
A=54cm%5E2