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14-02-2019
Mathematics

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If DCAE is a parallelogram, what is the perimeter of triangle DBE?
Offering 25 points for answer...

If DCAE is a parallelogram what is the perimeter of triangle DBEOffering 25 points for answer class=

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14-02-2019

∆DBE ≅ ∆ABC by SAA

by puthagorean

BC² = AC² - AB²

BC = 4

hence, the perimeter is

3 + 4 + 5 = 12

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