Square and Equilateral Triangle

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Draw a horizontal bisector of the figure. This splits it into a rectangle(3, 6)+ right triangle (3, 3√3) on the top and a right triangle (3, 6+3√3) at the bottom.

harikatragadda
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Is it possible to use 1/2 (a)(b) sinc ?
Area sqr = 36
Area equ tri = 18sin60
Total area = 36+18sin60 -18sin150
= 36-9sqrt3-9
=27-9rt3

Wolfie_Desu