Suppose an isosceles triangle has two sides of length 42 and 35, and that the angle between these two sides is 120 degree. what is the length of the third side of the triangle?

a. 43.65
b.77
c.58.04
d.66.78

Question

Suppose an isosceles triangle has two sides of length 42 and 35, and that the angle between these two sides is 120 degree. what is the length of the third side of the triangle?

a. 43.65
b.77
c.58.04
d.66.78

anonymous · Answer

Do you know what the sine law is?

anonymous · Answer

yes

anonymous · Answer

This question is a really bad one because by definition, an Isosceles triangle has two sides which are equal. None of the choices are the same as one of the given sides.

anonymous · Answer

so which law of sine am i looking for? a, b or c?

anonymous · Answer

No this question can't be answered. Two sides must be the same. None of the choices have the same side as another.

anonymous · Answer

One of the answers has the be 42 or 35.

anonymous · Answer

actually im sorry it doesnt say isosceles

anonymous · Answer

Scalene I guess :P .

anonymous · Answer

i think its just obtuse

anonymous · Answer

Anyways, so you have two sides which are,

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