CBSE Class 9 Answered
A, B and C are three angels of a triangle. If angle A - B =15 degrees, angle B - C= 30 degrees
Asked by priyankmalukar | 02 Aug, 2009, 11:43: AM
Expert Answer
A-B=15
So,
B=A-15..(i)
B-C=30
So
C=B-30=(A-15)-30=A-45..(ii)
A+B+C=180(A.S.P.)
So,
A+(A-15)+(A-45)=180
Solving, we get,
3A=240
A=80
B=A-15=65
C=A-45=35
So,
A=80,B=65,C=35
Answered by | 02 Aug, 2009, 02:58: PM
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