Answer:
68
Step-by-step explanation:
Let x be the measure of one of the angles of the triangle
Two of the angles have the same measure, so another angle is x
The third is 12 degrees more, x+12
The sum of the three angles of a triangle is 180
x+x+x+12 = 180
Combine like terms
3x+12 = 180
Subtract 12 from each side
3x+12-12 = 180-12
3x = 168
Divide by 3
3x/3 = 168/3
x = 56
x=56
x+12 = 56+12 = 68
The largest angle is 68
first is 86
we know because of the sum of the interior angles of a triangle being 180, and that 5 + 6 =180
147,456
B
Because of the exponent in x²
