of the ptheir tops.D and E are points on the sides CA and CBrespectively of a triangle ABC right angled at CProve that AE+BD-AB+ DEThe perpendicular from A on side BC of aA ABC intersects BC at D such that DB 3 CD(see Fig. 6.55). Prove that2AB2-2AC2+BC. %.In an equilateral triangle ABC, D is a point on side EIn an equilateral triangle, provesthat three times thits altitudes

of the ptheir tops.D and E are points on the sides CA and CBrespective

1.	of the ptheir tops.D and E are points on the sides CA and CBrespectively of a triangle ABC right angled at CProve that AE+BD-AB+ DEThe perpendicular from A on side BC of aA ABC intersects BC at D such that DB 3 CD(see Fig. 6.55). Prove that2AB2-2AC2+BC. %.In an equilateral triangle ABC, D is a point on side EIn an equilateral triangle, provesthat three times thits altitudes
Answer»