Question

the measure of two angles of a triangle are 64 degree and 74 degree the find the measure of third angle​

Answer 1

Answer:

142

Step-by-step explanation:

sum of all sides =180

       64+74+x=180

                    x=180-74-64

                    x=180-138

                    x=142

Answer 2

Answer:

42°

Step-by-step explanation:

64°+74°+?=180°

138°+?=180°

?=180°-138°

?=42°