MathDB

SMT 2021 Geometry #5

Source:

August 9, 2023

geometry

Problem Statement

Let

ABCD

be a square of side length

1

, and let

E

and

F

be on the lines

AB

and

AD

, respectively, so that

B

lies between

A

and

E

, and

D

lies between

A

and

F

. Suppose that

\angle BCE = 20^o

and

\angle DCF = 25^o

. Find the area of triangle

\vartriangle EAF

.

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