Let's calculate the surface of the ABC triangle from the image if the area of the triangle DBC is 40 square unit,| BC| = 8i| AB| = 14. Corners marked in the image are compliant.
ANSWER: 122.5 square​

Lets calculate the surface of the ABC triangle from the image if the area of the triangle DBC is 40 square unit BC 8i AB 14 Corners marked in the image are comp class=