Answer:
The angle of g is 89°
Step-by-step explanation:
Great question, it is always good to ask away and get rid of any doubts that you may be having.
The total degree of the sum of all three angles of a triangle sum up to be 180°. In this case we are given 2 angles already, therefore we can simply solve for the missing angle by adding the two given angles and then subtracting from 180°. Like so...
[tex]T = f+g+h[/tex]
[tex]180° = 42°+49°+h[/tex]
[tex]180° = 91°+h[/tex] .... subtract 91° on both sides
[tex]89° = h[/tex]
Finally, we can see that the degree of the angle of g is 89°
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