MathDB

2

Part of 2024 Korea Junior Math Olympiad (First Round)

Problems(1)

Geometry with calculation

Source: 2024 Korea Junior Math Olympiad _1

10/26/2024
There is an isosceles triangle which follows the following: ABˉ=ACˉ=5,BCˉ=6 \bar{AB}=\bar{AC}=5, \bar{BC}=6 D,E are points on ACˉ \bar{AC} which follows ADˉ=1,ECˉ=2 \bar{AD}=1, \bar{EC}=2 If the extent of △ \triangle BDE = S, Find 15S.
geometry