SOLUTION: In ΔABC, m∠CAB = 60° and AD is an angle bisector with D ∈ BC and AD = 8 ft. Find the distances from D to the sides of the triangle.

Algebra ->  Triangles -> SOLUTION: In ΔABC, m∠CAB = 60° and AD is an angle bisector with D ∈ BC and AD = 8 ft. Find the distances from D to the sides of the triangle.       Log On


   



Question 1106574: In ΔABC, m∠CAB = 60° and AD is an angle bisector with D ∈ BC and AD = 8 ft. Find the distances from D to the sides of the triangle.
Answer by greenestamps(13208) About Me  (Show Source):
You can put this solution on YOUR website!


The condition D be on BC is irrelevant....

(1) Angle CAB is 60 degrees, and AD bisects it, so angles CAD and BAD are each 30 degrees.

(2) Let E be the point on AB for which DE is perpendicular to AB. Then triangle ADE is a 30-60-90 right triangle with hypotenuse 8; the short leg DE has length 4. But since DE is perpendicular to AB, that is the distance of D from side AB.

The distance of point D from sides AB and AC is 4.