In ∆ABC angle A + angle B = 110° and angle C - angle B = 20° . Find the measure of angle B. GIVE SOLUTION.
Answers
Answered by
3
Answer:
B=110-A _1
C=135-A _2
A+B+C=180
A+110-A+C=180 SUB_1
110+C=180
110+135-A=180 SUB_2
-A=180-235
A=235-180
A=55
Itzgirl45
Answered by
2
Answer:
A + B = 110⁰
C - B = 20⁰—1
IN ABC
A + B + C = 180⁰
110⁰ + C = 180⁰
C = 180⁰-110⁰
C = 70⁰
PUT VALUE OF C IN 1
70⁰ - B = 20⁰
B = 50⁰
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