SOLUTION: In a triangle ABC we have angle A=62 degrees, side a=6, side b=10. Find the length of c.
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Question 1197886
:
In a triangle ABC we have angle A=62 degrees, side a=6, side b=10. Find the length of c.
Found 2 solutions by
josgarithmetic, ikleyn
:
Answer by
josgarithmetic(39620)
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Try drawing the figure. Law Of Sines to help first get measure of the angle at B.
Find angle measure at c, from this; and then your choice Law Of Cosines or Law Of Sines to find c.
Answer by
ikleyn(52803)
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.
This task is a trap to catch inattentive readers in it.
Such a triangle, as described in the post, does not exist.
Indeed, had it exist, we could write the sine law
=
or
=
.
From this proportion, sin(B) =
=
= 1.471579321.
Since this value is greater than 1, it creates a CONTRADICTORY.
ANSWER
. Such a triangle as described in the post DOES NOT EXIST.
Solved.
Such a triangle DOES NOT EXIST.
Such a triangle DOES NOT EXIST.
Such a triangle DOES NOT EXIST.