
Ukuran Sudut (1)
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
putu tola
Used 16+ times
FREE Resource
14 Slides • 6 Questions
1
Matematika Wajib Kelas X Semester 2
2
Perhatikan gambar-gambar di bawah ini!
3
Open Ended
Gambar apakah yang kalian lihat?
Seperti apa bentuknya?
4
Peserta didik mampu mengubah satuan sudut dari derajat menjadi radian dengan benar
Peserta didik mampu mengubah satuan sudut dari radian menjadi derajat
Tujuan pembelajaran
5
6
Multiple Choice
Berapakah besar sudut dalam satu putaran penuh ?
360°
180°
90°
60°
45°
7
Multiple Choice
Berapakah putaran sudut 1° ?
3601
1801
901
601
451
8
9
10
11
12
13
Silakan simak video berikut ini untuk lebih memahami materi ukuran sudut
14
Sekarang mari perhatikan contoh soal berikut ini!
Coba kalian hitung terlebih dahulu sebelum melihat pembahasannya!
15
Multiple Choice
41π rad = .... putaran
21
41
81
161
321
16
Pembahasan
Kita ketahui bahwa π radian= 180° = 1/2 putaran, maka:
1/4 π rad = 1/4 × 1/2 putaran = 1/8 putaran
17
Multiple Choice
101putaran = ...rad
51π rad
61π rad
71π rad
91π rad
101π rad
18
Pembahasan
Karena 1 putaran = 2π radian, maka:
1/10 putaran = 1/10 × 2π radian = 1/5 π radian
19
Multiple Choice
135°=....rad
41π rad
21π rad
43π rad
45π rad
47π rad
20
Pembahasan
135° = 135° × π/180° radian = 3/4 π radian
Matematika Wajib Kelas X Semester 2
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