Wrong Formulas
While helping my class in math, after drawing two right triangles, I asked the class if anyone knew the area of one of the right triangles on the board.
A bratty kid rose her hand in the air and I called on her. "24." she said. When I asked her how she got her answer, she said, "Easy. I added the three sides together."
I was going to tell her she was wrong when I noticed that it worked for my second triangle too.
The bratty kid had a smug look on her face.
What is the sum of all the lengths of the two right triangles I drew on the board, assuming that one side can be no greater than 20?
Image Credit: Wikimedia ENERGY.GOV
The answer is 54.
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1 solution
Moderator note:
Please refrain from posting a solution when you did not show any relevant working to obtain your answer.
the two right angle triangles are (6,8,10) and ( 5,12,13)