Question

Find the missing angle measure​

Answer 1

x = 35

Explanation:

The sum of measures of any triangle is invariably equal to 180, so

40 + 105 + x = 180

145 + x = 180

x = 180 - 145

x = 35

Answer 2

35

Explanation:

The sum of all angles in a triangle is 180.

180-(40+105)=35