In triangle ABC angle C - angle A = 40 and angle C- angle B=20 What is the value of A ,B and C
Answers
Answered by
0
C- A=40-----(1)
C- B=20----(2)
A+B+C=180--(3)
add (3) ,(1)
B+2C=220---(4)
add (4),(2)
3C=240
C =240/3
C=80
substitute C =80 in (1) and (2)
80- A=40
-A = -40
A=40
and
40- B =20
-B =-60
B=60 therefore
A=40,B=60,c=80
C- B=20----(2)
A+B+C=180--(3)
add (3) ,(1)
B+2C=220---(4)
add (4),(2)
3C=240
C =240/3
C=80
substitute C =80 in (1) and (2)
80- A=40
-A = -40
A=40
and
40- B =20
-B =-60
B=60 therefore
A=40,B=60,c=80
Similar questions