3 years ago

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

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

5 0

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

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