Math, asked by Chaturthi, 10 months ago

using the information in figure 3.12,find the measures of /_a, /_b, /_c​

Answers

Answered by kings07
12
Answer :

In the given triangle


a + b + c = 180° …………(1)


c + 100° = 180° ……….(2) [angles in linear pair]


⇒ c = 180° - 100°


⇒ c = 80°


b = 70° ……………..(3) [opposite angles are equal]


Putting value of b and c in (1)


⇒ a + 70° + 80° = 180°


⇒ a = 180° - 150°


⇒ a = 30°



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