Class 8
Understanding Quadrilaterals - Class 8 Worksheet
Angle sums, parallelograms and all their picky little properties
A practice sheet on quadrilaterals for Class 8 covering the angle sum property, types of quadrilaterals and the properties of parallelograms, rhombuses and trapeziums.
True / False
True or False: Quadrilateral Basics
Read each statement carefully and write True or False in the space given.
1. The sum of the angles of a quadrilateral is always 360 degrees.
2. A quadrilateral can have three right angles and one obtuse angle.
3. Every rhombus is a parallelogram.
4. The diagonals of a rectangle are always equal in length.
5. A trapezium has both pairs of opposite sides parallel.
6. In a parallelogram, opposite angles are equal.
7. A kite has exactly one pair of parallel sides.
Fill in the Blanks
Fill in the Blanks
Choose the correct word from the box below to complete each sentence.
1.The sum of the interior angles of any quadrilateral is degrees.
2.A quadrilateral with all four sides equal but angles not necessarily 90 degrees is called a .
3.The diagonals of a parallelogram each other.
4.A has exactly one pair of parallel sides.
5.A quadrilateral with all sides equal and all angles equal to 90 degrees is a .
Quiz (MCQ)
Multiple Choice Questions
Circle the letter of the correct answer.
1. Three angles of a quadrilateral measure 80 degrees, 100 degrees and 90 degrees. What is the fourth angle?
2. Which of these is NOT a property of a parallelogram?
3. A quadrilateral with two pairs of adjacent sides equal and diagonals meeting at right angles is a
4. How many diagonals does a quadrilateral have?
5. A regular polygon has all sides and angles equal. Which quadrilateral is regular?
Label the Diagram
Label the Parallelogram
Look at the numbered picture below and write the correct term for each labeled part using the word bank.
1.
2.
3.
4.
5.
Short Answer
Short Answer Questions
Answer the following questions in your own words, showing any calculations where needed.
1. Explain why a square, a rectangle and a rhombus are all special cases of a parallelogram.
2. PQRS is a parallelogram where angle P is 65 degrees. Find the measures of angles Q, R and S, and show how you found them.
3. How is a rhombus different from a kite, even though both have all four sides forming two pairs of equal length?
These are open-ended - there's no single right answer to check.
Written by Lernizy Editorial Team
Updated 27 Aug 2026