Angles which are both supplementary and vertically opposite are:
Which of the following examines the congruence of plane figures?
Is the supplement of an acute is always obtuse angle?
We want to show that ΔART = ΔPEN and we have to use SSS criterion. We have
AR = PE and RT = EN. What more we need to show?
Which of the following pairs of angles are supplementary?
In ΔABC, AD is the bisector of ∠A meeting BC at D, CF ⊥AB and E is the mid-point of AC. Then median of the triangle is: