20. AD is an altitude of an equilateral triangle ABC . On AD as base , another equilateral triangle ADE is drawn . Prove that Ar(ΔABE):Ar(ΔABC)=3:4

20. AD is an altitude of an equilateral triangle ABC . On AD as base ,

1.	20. AD is an altitude of an equilateral triangle ABC . On AD as base , another equilateral triangle ADE is drawn . Prove that Ar(ΔABE):Ar(ΔABC)=3:4
Answer» 20. AD is an altitude of an equilateral triangle ABC . On AD as base , another equilateral triangle ADE is drawn . Prove that Ar(ΔABE):Ar(ΔABC)=3:4