Find the area of the equilateral quadrilateral if the successive vertices are (3, 0), (4, 5), (-1, 4) and (-2. 1). Suggestion: Area of an Equilateral Quadrilateral == (Multiplication of Its Diagonals)]
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Answer:
b'Area of an equilateral triangle=
4
3
a
2
64
3
=
4
3
a
2
∴a
2
=64×4
a=
64×4
=8×2=16cm'
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