SOLUTION: Solve the question by crammer rule:
The third angle of an isosceles triangle is 16 degree less than the sum of two equal angles.
Find three angles of triangle.
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Question 769372: Solve the question by crammer rule:
The third angle of an isosceles triangle is 16 degree less than the sum of two equal angles.
Find three angles of triangle.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
angles x, y, and y.
x=-16+2y, and 180=x+2y.
Form the system,
(x-2y=-16)
(x+2y=180)
Cramer's Rule:
Matrix like
( 1 -2 -16 )
( 1 2 180 )
Denominator of each expression will be determinant,
degrees
degrees
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