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In the figure below, ZAX is equilateral and has perimeter 30.  What is the exact area of the quadrilateral FLAX?  Explain how you determined your answer.

 

 Oct 3, 2021
 #1
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If EQUILATERAL triangle Z has a perimeter of 30, then each side (AX) = 10

  If FLAX is equilateral, all of the sides are = 10       

                           Area = side * side = 10* 10 = 100 units 2

 Oct 3, 2021
 #2
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Equilateral triangle means: A triangle that has equal sides and angles. If the perimeter is 30, the side length of the triangle is 10. The area of FLAX, or the square, is 10 * 10 = 100 square units. 

 Oct 3, 2021

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