Question

The vertex angle of an isosceles triangle measures 42°. A base angle in the triangle has a measure given by

Answer 1

Answer:

x=33

Each base angle measures 69 degrees

Step-by-step explanation:

the 2  base angles are equal so  the measure of 1 base angle = (180 - 42) / 2

=  69 degrees

2x + 3 = 69

2x = 66

x = 33