
Memahami bangun bangun datar
Presentation
•
Mathematics
•
1st Grade
•
Medium
Yenti Wijaya
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10 Slides • 5 Questions
1
Memahami bangun bangun datar segitiga
By Yenti Wijaya
2
Kompetensi Dasar Pengetahuan
3.11 Mengaitkan rumus keliling dan luas untuk berbagai jenis segiempat (persegi, persegipanjang, belahketupat, jajargenjang, trapesium, dan layang layang) dan segitiga
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3
Kompetensi Dasar Ketrampilan
4.11 Menyelesaikan masalah kontekstual yang berkaitan dengan luas dan keliling segiempat (persegi, persegipanjang, belahketupat, jajargenjang, trapesium, dan layang-layang) dan segitiga
Some text here about the topic of discussion
4
Some text here about the topic of discussion.
Perhatikan gambar di samping ini . Kapal layarnya berbentuk yang biasa disebut segitiga
5
Apa itu Segitiga?
Segitiga adalah bangun datar yang dibatasi tiga sisi dan mempunyai tiga buah titik sudut
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6
Some text here about the topic of discussion.
Jenis jenis segitiga
7
L= ax1/2 t
LUAS
K= S1+S2+S3
KELILING
Rumus
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8
Sebuah segitiga beralasakan 12 cm dan tinggi 10cm. Berapakah luas segitiga itu?
Pembahasan:
L= a x 1/2t
= 12 cm x 1/2 10cm
= 12 cm x 5 cm
= 60cm2
Jadi luas segitiga tersebut adalah 60 cm2
9
10
Multiple Select
Jenis segitiga berdasarkan besaran sudutnya
segitiga lancip
segitiga sama kaki
segitiga siku-siku
segitiga tumpul
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Fill in the Blanks
Type answer...
12
Poll
sebuah segitiga memiliki 3 sisi dan 4 sudut. Bagaimana pendapat Anda tentang pernyataan tersebut?
setuju
tidak setuju
ragu-ragu
13
Open Ended
Sebuah segitiga sama sisi memiliki ukuran keliling sebesar 18cm. Berapakah panjang salah satu sisi segitiga tersebut
14
Draw
yang merupakan segitiga sama sisi
15
TERIMA KASIH
Some text here about the topic of discussion
Memahami bangun bangun datar segitiga
By Yenti Wijaya
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