- #1
songoku
- 2,266
- 319
Homework Statement
Consider a triangle ABC, where angle A = 60o. Let O be the inscribed circle of triangle ABC, as shown in the figure. Let D, E and F be the points at which circle O is tangent to the sides AB, BC and CA. And let G be the point of intersection of the line segment AE and the circle O. Set x = AD. Find the ratio of area of triangle ADF and (AG.AE)
Homework Equations
Area of triangle = 1/2 ab sin α
radius is perpendicular to tangent
sine formula
cosine formula
The Attempt at a Solution
I don't have any ideas to begin with. The answer in the manual is √3 / 4
Thanks