if in triangle ABC, A+B= 120 and
B+C= 100, then find B.
Answers
Answered by
7
Step-by-step explanation:
A+B+C=180
A+100=180
A=180-100
=80
A+B=120
80+B=120
B=120-80
=40
Answered by
5
Answer:
in the triangle
A+B = 120° ....... eq.1
B+C = 100° ........ eq. 2
adding eq. 1 and 2
A+B+B+C= 120°+100°
( A+B+C) +B = 220°
we know that in a triangle,
A+B+C= 180°
180 +B = 220°
B= 220°-180°
B= 40°
Step-by-step explanation:
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