Pratima made a triangle ABC in which AC is equal to 10 cm and altitude is 3 cm and triangle d e f is equal to de equal to 10 cm and altitude 6 and then she joined the triangle such that a conic side with D and C corner sides with a find the area of quadrilateral formed
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Given: base of triangle = 10cm
height = 6cm.
∴ A(triangle) =
1/2× base × height
= 1/2 ×10×6
=30cm2
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