An isosceles triangle is one in which 2 angles have similar
measure while the other one is different. In this case, the 2 vertex angles
have a measure of 42 degrees, therefore the third angle which is equal to (2x +
3) is:
This is correct because you need to subtract 94 and 78 and you get 16 which is the number you get from all of the pairs. Then you subtract 16 from 46 to get 30 and 16 from that to get 14.
