Angles in any quadrilateral add to 360°.
Parallelogram: Opposite angles equal. Adjacent angles add to 180°. Opposite sides equal and parallel.
Rectangle: All angles 90°. Opposite sides equal.
Rhombus: All sides equal. Opposite angles equal. Diagonals bisect at 90°.
Square: All sides equal, all angles 90°. Diagonals equal, bisect at 90°.
Trapezium: One pair of parallel sides.
Kite: Two pairs of adjacent equal sides. One pair of opposite angles equal. Diagonals cross at 90°.
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Find angle x:Quadrilateral with angles 80°, 110°, 90°, xParallelogram with one angle 65°. Find the other three angles.Kite with angles …
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