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    3. The bases of a trapezoid are 9 and 21 inches. The slants are 14 inches. What is the height expressed in simplified radicals
    The bases of a trapezoid are 9 and 21 inches. The slants are 14 inches. What is the height expressed in simplified radicals

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    +1  Views: 759 Answers: 1 Posted: 13 years ago
    Tags: area of trapezoid
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      1 Answer

      the formula is:                                                                                                                                                     


      h=square root(-a+b+c+d)(a-b+c+d)(a-b+c-d)(a-b-c+d)over 2(b-a)


      substitute your numbers for a,b,c,and d to reach an answer.

      13 years ago. Rating: 1
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