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John is a treasure hunter. He found this odd-looking gem as shown above. He measured two sides of the gem and he needs to know the area of the gem. Can you help him?

 Feb 2, 2021
 #1
avatar+118470 
+1

*****

 

cool cool cool

.
 Feb 2, 2021
edited by CPhill  Feb 2, 2021
edited by CPhill  Feb 2, 2021
 #3
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Their bases are 12 and 10, and the side of a red triangle is 10 units. wink

Guest Feb 2, 2021
 #2
avatar+1208 
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Yellow Δ area = √3        =>  3√3

Red   Δ area   = =>       => 25√3

White trapezoid area    => 33√3

__________________________

Total area = =>             => 61√3 square units

 Feb 2, 2021
edited by Guest  Feb 2, 2021
edited by Guest  Feb 2, 2021

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