Practice - Examples
Practice Questions
Test your understanding with targeted questions
What is the fourth angle of a quadrilateral if the other angles are 110°, 85°, and 95°?
💡 Hint: Use the angle sum property.
If one angle in a rectangle is 60°, what are the other angles?
💡 Hint: Opposite angles in rectangles are equal.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the sum of the interior angles of a quadrilateral?
💡 Hint: Think about how many triangles can be formed inside the shape.
In a parallelogram, what can be said about the opposite angles?
💡 Hint: Recall the properties of parallelograms.
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Challenge Problems
Push your limits with advanced challenges
A quadrilateral has angles measuring 100°, 60°, and 120°. Prove that it is a concave quadrilateral.
💡 Hint: Check the angle sum property again!
Calculate the area of a parallelogram where one side is 10 cm, and the height to that side is 8 cm.
💡 Hint: Make sure you remember the area formula for parallelograms.
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Reference links
Supplementary resources to enhance your learning experience.