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ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel What is the area of quadrilateral ABCD?

Correct Answer: 316 SQ.CM

Explanation:

Area of quadrilateral ABCD = area of triangle ADC + area of triangle ABC

= 126 + ½ * 9 * 40 = 306

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