Page 5 - Module & More Matematik Tambahan TG5

Matematik Tambahan Tingkatan 5 Bab 1 Sukatan Membulat

2. Tukarkan setiap yang berikut kepada darjah dan minit. TP 1
Convert each of the following into degree and minutes.

1 CONTOH (a) 5 rad
3π
2.2 rad 5
BAB Penyelesaian: q° = 3π rad

Gunakan/Use Tip Penting 360° 2π rad
q° q rad Boleh diringkaskan
= kepada 360° × 5
360° 2π rad Can be simplified to 3π
q° 2.2 rad q° = 180° q° = 2π
= π
360° 2π rad
2.2 × 360° = 300°
q =
2π
Penerbitan Pelangi Sdn. Bhd.
= 126°3’ atau/or 126.05°

2 (c) 2.15 rad
(b) rad
9 q°
2 = 2.15 rad
rad 360° 2π rad
q° 9
= 360° × 2.15
360° 2π rad q° =
2π
2
360° × = 123.19° atau/or 123°11’
q° = 9
2π
= 12.73° atau/or 12°44’

(d) 0.7π rad 5
(e) π rad
4
q° 0.7π rad
= 5π
360° 2π rad q° 4 rad
=
360° × 0.7π 360° 2π rad
q° =
2π 5π
360° ×
= 126° q° = 4
2π
= 225°

2

01 M&M Mate T Tg5.indd 2 09/12/2022 12:20 PM