The vertex angle of an isosceles triangle measures 42°. A base angle in the triangle has a measure given by (2x + 3)°. What is t he value of x? What is the measure of each base angle? x = 42 Each base angle measures 180 °.
2 answers:
its 33 and 69 yall stay wrong
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:
(2x + 3) + 42 + 42 = 180
2x + 3 = 96
<span>x = 46.5° </span>
3 years ago
this is not the answer
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