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anonymous

  • one year ago

What is the area, in square units, of an isosceles right triangle with a hypotenuse of 20 units?

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  1. Jhannybean
    • one year ago
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    |dw:1441658354046:dw|

  2. anonymous
    • one year ago
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    20^2 = 2x^2 area of triangle should be (x^2)/2

  3. Jhannybean
    • one year ago
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    I love this drawing tool.

  4. anonymous
    • one year ago
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    how do you change color and size?

  5. Jhannybean
    • one year ago
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    Its a chrome extension.

  6. anonymous
    • one year ago
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    how to get from 20 to x lol

  7. anonymous
    • one year ago
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    20^2 = 20*20 = ?

  8. anonymous
    • one year ago
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    oh pythagorean theorem?

  9. anonymous
    • one year ago
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    I think I worked it out

  10. Jhannybean
    • one year ago
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    First figure out what x is equal to. \[20^2 = x^2+x^2 \]\[20^2 = 2x^2\]\[\color{red}{x^2}=\frac{20^2}{2}\]\[A_{\triangle} = \frac{1}{2}b\cdot h =\frac{1}{2} x \cdot x =\frac{1}{2}\color{red}{x^2} \]

  11. anonymous
    • one year ago
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    thx

  12. Jhannybean
    • one year ago
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    No problem.

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