Page 62 - Steady Mate Tg1 - Book A

BAB
9 Poligon Asas
Basic Polygons

Poligon
9.1 Polygons BUKU TEKS ms. 202 – 205

MESTI TAHU & INGAT
1. 2. Poligon dinamakan mengikut bilangan sisinya.
A polygon is named according to the number of its sides.
Sisi 3. Bagi sebuah poligon dengan n sisi:
Side Pepenjuru For a polygon of n sides:
Diagonal • bilangan bucu = bilangan sisi
Bucu
Vertex number of vertices = number of sides
n(n – 3)
Poligon ialah satu bentuk tertutup pada suatu satah • bilangan pepenjuru = 2
dengan sisinya terdiri daripada tiga atau lebih garis number of diagonals
lurus. Misalnya / For example,
A polygon is an enclosed shape on a plane bounded by three Sisi empat • 4 sisi / sides
or more straight sides. Quadrilateral • 4 bucu / vertices
• 2 pepenjuru / diagonals

A Lengkapkan jadual berikut dengan nama poligon dan bilangan sisi, bucu dan pepenjurunya. TP 1 ARAS R
Complete the following table with the name of polygon and the numbers of sides, vertices and diagonals.

Contoh 1. 2.
sisi sisi sisi
3 5 6
sides sides sides

bucu bucu bucu
3 5 6
vertices vertices vertices
pepenjuru pepenjuru pepenjuru
Segi tiga 0 diagonals Pentagon 5 diagonals Heksagon 9 diagonals
Triangle Pentagon Hexagon

3. 4. 5.
sisi sisi sisi
7 8 9
sides sides sides
bucu bucu bucu
7 8 9
vertices vertices vertices

pepenjuru pepenjuru pepenjuru
14 20 27
diagonals diagonals diagonals
Heptagon Oktagon Nonagon
Heptagon Octagon Nonagon

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