Given:  ABCD (not shown) with AB = 8 and BC = 6; M and N are the midpoints of sides


Find:  MN 
To find:
MN of the given rectangle.
The basic properties of rectangle:
1) All the properties of a parallelogram apply (the ones that matter here are parallel sides, opposite sides are congruent, and diagonals bisect each other).
2) All angles are right angles by definition.
3) The diagonals are congruent.
Calculation:
Given: In Rectangle ABCD, AB = 8 and BC = 6.
M and N are the midpoints of sides
Consider the rectangle.
To find MN:
From the property, in rectangle the diagonals bisect each other.
In rectangle ABCD
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