Geometry

Question Analysis：
This question involves the basic definition and properties of a kite.
The main focus is on identifying which property is always true for kites, regardless of size or orientation.

Key Concept Explanation：
A kite has the following key properties:
Two pairs of adjacent congruent sides
Diagonals are perpendicular
One pair of opposite angles is congruent (the ones between the unequal sides)
The longer diagonal bisects the shorter one

Step-by-Step Solution：
Go through each option:
A. Incorrect – That’s a rhombus, not a general kite
B. Incorrect – Only one pair of opposite angles is equal in a kite
C. Correct – The diagonals of a kite always intersect at right angles
D. Incorrect – The diagonals in a kite are usually uneq...