TRIANGLEClosed curve

A curve which begins and ends in the same point is called a closed curve

Examples

TRIANGLE ;-- A triangle is a closed curve made up of three line segments

1. The three line segments are called the sides of the triangle ABC , namely Side AB Side BC, Side CA

2. There are THREE angles in the triangle ABC Namely , ABC BCA CAB

3. The three points A, B , C , are called the VERTICES

1 Name the following

a } sides of the triangle

b} vertices of the triangle

c} name of the triangle

X

Y Z

2. Name and count the triangle of the following

I

A

Y

B C

X

Z

E FG

H

D

Ans ; Triangle AOB , DOC, COB , BOA

ADC, ABC, ABD, BCD.Triangle ;ABC, XYZ, XDE, BID, IZH, HCG. GYF, AEF

B C

D

O

A