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A + B + C= 180
12C+2C+C=180
15C=180
C=12
A=144
B=48
12C+2C+C=180
15C=180
C=12
A=144
B=48
Kethan1:
in my text book its given b=12°
It cannot be since b is given twice of angle c.
oh thanks for the reply
I am solving it again okk
ok
sorry for mistake
angle B= 24
Answered by
1
Angle A= 6times angle B
Angle B = 2times angle C.
Angle C is not given.
It is a triangle so the sum of all three angles will be 180degree.
C=C.
B=2C.
A=6B.
=6*2C.
=12C.
A+B+C= 180degree.
12C+2C+C= 180degree.
15C=180 degree.
Therefore angle C= 180/15 degree.
angle C= 12 degree.
Therefore angle B =2C = 2*12 = 24 degree.
Therefore angle A=12C = 12*12= 144 degree.
We can see that the sum of all three angles is 180degree.
Hope it helps.
Angle B = 2times angle C.
Angle C is not given.
It is a triangle so the sum of all three angles will be 180degree.
C=C.
B=2C.
A=6B.
=6*2C.
=12C.
A+B+C= 180degree.
12C+2C+C= 180degree.
15C=180 degree.
Therefore angle C= 180/15 degree.
angle C= 12 degree.
Therefore angle B =2C = 2*12 = 24 degree.
Therefore angle A=12C = 12*12= 144 degree.
We can see that the sum of all three angles is 180degree.
Hope it helps.
thanks a lot
sorry for mistake
its ok
angle B = 24
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