Practice - Exercise 14
Practice Questions
Test your understanding with targeted questions
Find the measure of the fourth angle of a quadrilateral if the other three angles are 110°, 85°, and 95°.
💡 Hint: Use the angle sum property.
In a parallelogram, one angle is 60°. How many degrees are the other three angles?
💡 Hint: Remember the properties of opposite angles.
4 more questions available
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 form a quadrilateral.
In which quadrilateral do the diagonals intersect at right angles?
💡 Hint: Recall the properties of a kite.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Prove that a trapezium with one pair of equal-length sides must have non-parallel angles that are supplementary.
💡 Hint: Think about alternate interior angles.
A square has a side length of 8 cm. What is its diagonal length? Calculate the area as well.
💡 Hint: Use the Pythagorean theorem to find the diagonal length.
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Reference links
Supplementary resources to enhance your learning experience.