Question

a triangle a first side angle is 80 the second side of the angle is 70 than what is the third angle value​

Answer 1

Answer:

angle sum property of a triangle is 180,

third angle will be 180 - ( 80 + 70)

= 180 - 150

= 30

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Answer 2

Hello mate.......

$a1 + a2 + a3 = 180$

$80 + 70 + a3 = 180$

$150 + a3 = 180$

$a3 = 180 - 150$

$a3 = 30$

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