Question

find the measure of third angles
of triangles
whose two engles
given below:

(i) 40,80;?
are given​

Answer 1

Step-by-step explanation:

Let we take value of third angle is X

then

40.+ 80. +. X. =. 180

X. =. 180. - 120

X. =. 60 degree

Answer 2

Answer:

third angel = 60°

Step-by-step explanation:

let, the third angel be x

by using angel sum property of triangle ,

* 40° + 80° + x° = 180 °

120 + x = 180°

x = 180-120

x = 60°

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