Math, asked by sehrali3b, 6 months ago

find the unknown angle a
in the given figure
I don't want the answer
I knew the answer that is 99°
I want the solution​

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Answers

Answered by santhalingam2005
2
Answer:99

Here is the solution
Similarly,
=105
In pentagon PQRST
105+103+120+180-a+131=540
639-a=540
540+a=639
a=99

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