Answer:
Step-by-step explanation:
Multiplying positive integer and negative integer gives a negative integer i.e ( + ) × ( - ) = ( - )
The negative and positive integers are always subtracted but posses the sign of the bigger integer
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Answer:
Triangle ABE and triangle CDE are congruent by using SAS theorem.
Step-by-step explanation:
It is given that e is the midpoint of BD and .
(E is midpoint of BD)
Angle AEB and angle CED are vertical opposite angle and the vertical opposite angles are always same.
(Given)
So by using SAS theorem of congruent triangles.
Therefore triangle ABE and triangle CDE are congruent by using SAS theorem.