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?
*****
Their bases are 12 and 10, and the side of a red triangle is 10 units.
Yellow Δ area = √3 => 3√3
Red Δ area = => => 25√3
White trapezoid area => 33√3
__________________________
Total area = => => 61√3 square units
