Question

Difficulty: EasyProperties of Quadrilaterals

A kite WXYZWXYZ has diagonals WYWY and XZXZ that intersect at point PP. If the length of WPWP is 44 centimeters, the length of PYPY is 99 centimeters, and the length of XPXP is 33 centimeters, what is the measure, in degrees, of angle WPXWPX?

  1. A
    30
  2. B
    45
  3. C
    60
  4. 90Answer
  5. E
    180

Answer

90 degrees
The diagonals of a kite are always perpendicular to each other. Therefore, the angle formed at their intersection, angle WPXWPX, is a right angle, which measures exactly 9090 degrees. The given segment lengths are extra information.

Step-by-Step Solution

1
Identify the fundamental property of the diagonals of a kite.
The diagonals of any kite are perpendicular to each other.
By geometric definition, the diagonals of a kite intersect at a right angle.
2
Determine the measure of the angle formed by the intersection of the diagonals.
Angle WPXWPX is a right angle, which measures exactly 9090 degrees.
Since the diagonals are perpendicular, their intersection forms four 9090-degree angles regardless of the lengths of the individual diagonal segments.

Key Concept

The diagonals of a kite are perpendicular (9090^\circ).
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