Page 164 - NUMINO TG_4A

118_G4U10_TG_CA 2014.4.21 12:47 PM ˘ ` 147

10Understand, Identify, and Draw Different Types of Quadrilaterals Unit

118-B4-1 118-B4-2

Characteristics of Parallelograms g. 7 cm h. cm
1. Each figure is a parallelogram. Write the correct numbers in the blanks.
60Ş 90Ş
The opposite sides are equal. The opposite angles are equal. cm 5 cm cm
AD AD
10 cm
BC BC
__ A= C
_AB = D_C B= D
AD = BC

a. 8 cm b. 125Ş i. 9 cm j. 8 cm
5 cm cm 55Ş 9 cm cm 75Ş
cm
110Ş 70Ş cm

c. 3 cm d. 75Ş k. l.
6 cm f. 105Ş 70Ş 15 cm

cm cm 6 cm
110Ş cm
cm

e. 4 cm
cm

7 cm
cm

Objective Draw a rhombus and know the Objective Know the properties of a
properties of a rhombus. rhombus.

Textbook Reference Activity 2 Textbook Reference Activity 2

118-B5-1 118-B5-2

Rhombus 2. Each figure is a rhombus. Write the correct numbers in the blanks.
1. Draw different rhombuses.
All 4 sides are equal. The opposite angles are equal.
A quadrilateral with 4 equal sides is A A
called a rhombus.
BD BD

C C
_ __ _ A= C
AB = BC = CD = DA B= D

a. b.
4 cm 115

cm

c. d.
7 cm 120

cm f.

e.
5 cm

cm
cm

Objective Know the properties of a Objective Know the properties of a square.
rectangle. Textbook Reference Activity 2

Textbook Reference Activity 1 4A Unit 10 147