Sudut
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
anwar irawan
Used 4+ times
FREE Resource
9 Slides • 0 Questions
1
Pembelajaran
Matematika
2
GEOMETRI
3
Pengertian Geometri
Geometri adalah ilmu yang mempelajari
hubungan antara objek-objek geometri,
seperti titik, garis, bangun, dan sudut
4
Bagian Geometri
Sudut
Bangun datar
Bangun Ruang
5
SUDUT
Sudut Lancip
Sudut Tumpul
Sudut Lurus
Sudut Reflex
Sudut Siku-siku
Jenis Sudut | Besar Sudut |
|---|---|
Sudut Lancip | antara 00 - 900 |
Sudut Siku-siku | 900 |
Sudut Tumpul | antara 900 - 1800 |
Sudut Lurus | 1800 |
Sudut Reflex | antara 1800 - 3600 |
6
Dua sudut saling berpelurus jumlahnya 180º
R
T
Q
S
T
Q
S
140º
R
?
∠ QSR + ∠ RST = 180º
Contoh
Sudut Saling Berpelurus
∠ QSR + ∠ RST = 180º
140º + ∠ RST = 180º
∠ RST = 180º - 140º
∠ RST = 40º
7
Hitunglah besar sudut yang belum diketahui.
50º
?
R
T
Q
S
110º
T
Q
S
R
?
T
Q
S
140º
R
?
Jawaban:
Jawaban :
Jawaban :
1
2
3
Latihan
8
TeoremaPhytagoras
c² = a² + b²
Segitiga
Siku-siku
a
c
b
9
4
3.5
5
4
3.5
4
P
Q
R
P
Q
R
P
Q
R
Latihan
Hitunglah panjang sisi yang belum diketahui
Pembelajaran
Matematika
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