SOLUTION: to the nearest tenth of a degree, how large are the congruent angles of an isosceles triangle that is exactly as tall as it is wide? (There is more than one interpretation.)

Algebra ->  Triangles -> SOLUTION: to the nearest tenth of a degree, how large are the congruent angles of an isosceles triangle that is exactly as tall as it is wide? (There is more than one interpretation.)      Log On


   



Question 148148: to the nearest tenth of a degree, how large are the congruent angles of an isosceles triangle that is exactly as tall as it is wide? (There is more than one interpretation.)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Draw it and you'll see that the altitude forms 2 right triangles. The bottom of either right triangle is 1/2 of the altitude.
So, the tangent of the angles on the base is L/(L/2), = 2.
The angle is 63.4 degrees.