
MENGENAL RUMUS SEGITIGA
Presentation
•
Mathematics
•
5th Grade
•
Hard
achmad fawaid
Used 3+ times
FREE Resource
8 Slides • 2 Questions
1
MENGENAL RUMUS
SEGITIGA
By: ACH. FAWAID, S.Pd
SDN Poteran II
Materi Bangun Datar
Matematika kelas V SD
2
Apa Kabar Kalian?
Sudah siap mengikuti pelajaran hari ini?
3
Segitiga Sama Sisi
-Memiliki 3 sisi yang sama panjang
-Memiliki 3 sudut sama besar 60°
Segitiga Sama Kaki
-memiliki 2 sisi yang sama panjang
-memiliki 2 sudut sama besar.
Macam-Macam Segitiga
Ach. fawaid, S.Pd
Segitiga Siku
-memiliki sudut siku-siku (90°)
4
Mengenal Rumus Segitiga
ACH.FAWAID |SDPOTERAN II
Segitiga Lancip
-memiliki sudut yang besarnya kurng dari 90⁰
Segitiga Tumpul
-meiliki sudut lebih dari 90⁰ tetapi kurang 180⁰
Segitiga Sembarang
-tidak memiliki sisi yang sama panjang
-tidak memiliki sudut yang sama besar
5
K = a + b + c
(a,b,c = panjang sisi-sisi segitiga)
Keliling Segitiga
½ X alas X tinggi
atau
½ X a X t
Luas Segitiga
Rumus Luas & Keliling Segitiga
ACH, FAWAID, S.Pd I SDN POTERAN II
6
Kesimpulan
segitiga adalah bangun datar yang memiliki 3 sisi
rumus luas segitiga adalah L =½ X alas X tinggi
rumus keliling segitiiga adalah K = a + b + c
ACH. FAWAID, S.OD I SDN POTERAN II
7
Multiple Choice
sebuah segitiga memiliki alas 6 cm dan tinggi 4 cm. berapakah luas segitiga tersebut?
34 cm
12 cm
21 cm
24 cm
8
Multiple Choice
sebuha segitiga memiliki sisi 26 cm, 24 cm, dan 28 xm. Berapah Keliling segitiga tersebut?
74 cm
78 cm
76 cm
68 cm
9
ACH. FAWAID, S.Pd
DIKLAT PRESENTASI QUIZIZZ
BIODATA PENYUSUN:
SDN POTERAN II
Dusun Labillah Daja RT 002 RW 004
Giring Manding Sumenep
085 733 206 007
10
terima kasih
MENGENAL RUMUS
SEGITIGA
By: ACH. FAWAID, S.Pd
SDN Poteran II
Materi Bangun Datar
Matematika kelas V SD
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