Practice - Exercise 9
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: Remember, the sum of angles in a quadrilateral is 360°.
In a parallelogram, one angle is 60°. What are the measures of the other three angles?
💡 Hint: Opposite angles in a parallelogram are equal and adjacent angles are supplementary.
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 dividing the shape into triangles.
In a parallelogram, if one angle is 40 degrees, what is the measure of the adjacent angle?
💡 Hint: Remember the property of supplementary angles.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Show that the diagonals of a rhombus intersect at right angles and prove this using the properties of parallelograms.
💡 Hint: Use congruence of triangles formed by the diagonals.
If the lengths of the diagonals of a kite are 6 cm and 8 cm, calculate its area.
💡 Hint: Remember the kite area formula.
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Reference links
Supplementary resources to enhance your learning experience.