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anonymous

  • one year ago

If e= 144 and f=25, solve for lengths a, b, c, and d. picture in comments.

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    Use \[a^2 + b^2 = c^2\]

  3. anonymous
    • one year ago
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    That should help you

  4. phi
    • one year ago
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    The big right triangle with sides a,b and c is divided into two smaller right triangles. *All three triangles are similar* That means you can write ratios of "corresponding sides" the short leg to long leg of the left triangle is d/e and the short leg to long leg of the right triangle is f/d because the triangles are similar you can say \[ \frac{d}{e} = \frac{f}{d} \] They tell you e= 144 and f=25 so \[ \frac{d}{144} = \frac{25}{d} \] cross multiply and solve for d

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