Page 87 - Steady Mate Tg1 - Book A

Matematik Tingkatan 1 Bab 13 Teorem Pythagoras

KANDUNGAN
Praktis Berfomat PT3

1. Rajah di bawah menunjukkan sebuah segi tiga bersudut (b) Lengkapkan hubungan antara sisi a, b dan c dalam
tegak. rajah di bawah.
The diagram shows a right-angled triangle. Complete the relationship between a, b and c in the
diagram below.
[2 markah / 2 marks]
14
9 C
c
D
x a
b
Antara berikut, yang manakah benar mengenai A a
hubungan sisi tersebut? B
Which of the following is correct about the relationship of Jawapan / Answer:
the sides?
2
2
2
2
2
A x + 9 = 14 C 14 + 9 = x c = 2a 2 + b 2
2
2
2
2
2
B 14 + x = 9 D 9 + x = 14 2
2
(c) Rajah di bawah menunjukkan dua buah segi tiga
2. Gariskan trirangkap Pythagoras yang betul. bersudut tegak.
Underline the correct Pythagorean triples.
The diagram shows two right-angled triangles.
[4 markah / 4 marks]
Jawapan / Answer: 11 cm
(3, 4, 6) (4, 8, 15) (5, 12, 13)
8 cm x cm
(6, 8, 10) (7, 24, 26) (8, 15, 17) 9 cm
(9, 40, 41) (10, 18, 25) (12, 30, 36)
y cm

3. (a) Kenal pasti hipotenus dalam setiap segi tiga
berikut pada ruang jawapan di bawah. Hitung nilai x dan y.
Identify the hypotenuse in each of the following triangles Calculate the values of x and y.
in the answer space. [4 markah / 4 marks]
Jawapan / Answer:
B 2 2 2
x + 8 = 11
2
2
x = 11 – 8 2
C
= 121 – 64
E = 57
A D x = 57
= 7.55
[4 markah / 4 marks]
2
y = 7.55 + 9 2
2
Jawapan / Answer:
= 57 + 81
Segi tiga = 138
Triangle ABC ADC BEA BEC
y = 138
Hipotenus AC AC AB BC
Hypotenuse = 11.75
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