Question

TRY THESE 1. Which angle is included between the sides DE and EF of DEF?​

Answer 1

Answer:

Find the equation of the line which passes through the point of intersection of the lines x+2y−3=0 and 4x−y+7=0 and is parallel to the line y−x+10=0?

Answer 2

Answer:

the included angle of triangle DEF = Angle E