29.The area of a Quadrilateral of diagonal 10 cm and heights 6 cm and 8 cm respectively will be
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Step-by-step explanation:
area of the triangle with height 6 cm and base 10 cm in the quadrilateral = height × base × 1/2
6 × 10 × 1/2
60/2
30 cm 2
area of the triangle with height 8 cm and base 10 cm in the quadrilateral = 8× 10 × 1/2
= 80/2
=40 cm 2
area of the quadrilateral = 30 cm 2 + 40 cm 2
= 70 cm 2
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