Mathematics
Grade9
Easy
Question
If the measure of DN is 8 cm, then the measure of diagonal PH is ____.
- 8 cm
- 6 cm
- 7 cm
- 9 cm
Hint:
properties of rectangle:
The opposite sides are parallel and equal to each other.
Each interior angle is equal to 
The sum of all the interior angles is equal to 
The diagonals bisect each other.
Both the diagonals have the same length
The correct answer is: 8 cm
option 1: 8cm is the correct answer
The lengths of the board are equal, and breadths are also equal, so DPNH is a rectangle.
we know that all the angle of a rectangle =
The diagonals of a rectangle are congruent.
So, DN = PH = 8 cm.
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