1.

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 difference between perimeter of triangle ABC and perimeter of triangle ADC?

A. 4 cm
B. 5 cm
C. 6 cm
D. 7 cm
Answer» D. 7 cm


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