4. If a h 4:5, find the angles c and d. – InterviewSolution

1.	4. If a h 4:5, find the angles c and d.
Answer» given a:b=4:5so let us takea=4x° and b=5x°so a+b=180°..... (adjacent angles)4x°+5x°=180°9x°=180°x=20°so a=80°; b=100°d=a; c=b......... (alternate angles)so d=80°; c=100°

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