6. Find the area of an equilateral triangle with side 8 cm. Also, find the area of the figure
formed by placing another equilateral triangle of the same size along one of its sides.
What is this figure called? Find the lengths of its diagonals.
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Step-by-step explanation:
area of an eqilayeral triangle is √3*a^2/4.
a=8
√3*8*8/4 = 16√3 cm^2
the new figure is a parallelogram. length of diagonal is 8
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