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: C) 6 cm
Explanation:
Perimeter of triangle ABC – Perimeter of triangle ADC = (9+40+41) - (15+28+41) = 6 cm