Page 156 - Maths Skills - 8

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Underst
10 Understanding Quadrilateralsanding Quadrilaterals

Learning Outcomes

In this chapter, you will learn about:
� Polygon � Quadrilateral � Types of quadrilaterals

Boot-Up (To Recapitulate Previous Knowledge of Concepts)
COMPETENCY BASED QUESTIONS

A. Multiple-Choice Questions
1. Which of the following is not a quadrilateral?
(i) Square (ii) Rectangle (iii) Triangle (iv) Parallelogram

2. If AB and CD are two parallelsides of a parallelogram then:
(i) AB > CD (ii) AB < CD (iii) AB = CD (iv) none of these

3. If ∠A and ∠C are two opposite angles of a parallelogram, then:
(i) ∠A > ∠C (ii) ∠A = ∠C (iii) ∠A < ∠C (iv) none of these

4. Each of the angles of a square is:
(i) Acute angle (ii) Obtuse angle (iii) Right angle (iv) 180°

5. Which name could be used to describe all parallelogram?
(i) quadrilateral (ii) rectangle (iii) regular (iv) square

B. Fill in the Blanks
1. A _________ is a quadrilateral with two pairs of parallel sides and 4 congruent sides.

2. A _________ is a quadrilateral with two sets of parallel sides.
3. A quadrilateral with two sets of parallel sides, 4 right angles, and 4 congruent sides is a _________.
4. A _________ is always a rhombus, but a rhombus is not always a _________.

5. A _________ has two sets of parallel sides, two sets of opposite, congruent sides, and four right angles.

C. Write ‘T’ for true and ‘F’ for false Statements

1. All quadrilaterals can be divided into two triangles by a diagonal.

2. A quadrilateral must have all four right angles.
3. A polygon is regular if all of its sides and all angles are equal.

4. Square is a polygon who has 4 lines of symmetry.