Page 13 - Matematik Tg1_Praktis Topikal A+_Pan Asia Publications

(ii) Berapakah jumlah ketinggian bagi 5 orang murid lelaki tersebut?
What is the total height of the 5 boys?
[1 markah / 1 mark]
Jawapan/Answer : 1.1 + 0.8 + 1.4 + 1.6 + 1.2
= 6.1 m

(iii) Siapakah yang lebih pendek daripada purata ketinggian 5 orang murid lelaki tersebut?
Who are shorter than the average height of the 5 boys?
[2 markah / 2 marks]
6.1
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Jawapan/Answer : Purata/Average = —
5
= 1.22 m
Ali, Basir dan/and Ehsan

(c) Dalam Rajah 12 ABCD ialah garis lurus.
In Diagram 12, ABCD is a straight line.
A B C D
y 55

x
Rajah 12
Diagram 12
Cari nilai x dan nilai y.
Find the value of x and of y.
[3 markah / 3 marks]
Jawapan / Answer :
180° – 55°
x = —
2
= 62.5°
y = 180° – 55°
= 125°

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