Answer:
a) 18
Explanation:
you first add the 58 and 104 degrees,
=162
then you subtract,
=180-162
=18
hope this helps!
18 is the third angle
The sum of the angles of a triangle add to 180 degrees
58+104 +x = 180
Combine like terms
162+x = 180
Subtract 162
x = 180-162
x =18
5.2m questions
6.8m answers