Lingkaran

Presentation

•

Science, Mathematics

•

8th Grade

•

Medium

Yusti Paraya

Used 27+ times

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8 Slides • 4 Questions

LINGKARAN

By Yusti Paraya

Multiple Choice

Perhatikan Lingkaran berikut!

daerah yang di arsir berwarna kuning adalah ...

jari-jari

diameter

tembereng

juring

Multiple Choice

Perhatikan Lingkaran berikut!

garis lengkung pada lingkaran dari titik A ke titik A di sebut ...

busur

diameter

tali busur

keliling

Multiple Choice

Perhatikan Lingkaran berikut!

garis OA di sebut ...

jari-jari

diameter

tali busur

keliling

Multiple Choice

Perhatikan Lingkaran berikut!

garis OD di sebut ...

Apotema

diameter

Jari-jari

keliling

Pengertian Lingkaran dan Unsur-unsur nya

Pengertian Lingkaran

Lingkaran adalah bentuk yang terdiri dari semua titik dalam bidang yang berjarak tertentu dari titik tertentu

Unsur-unsur Lingkaran

Rumus Keliling Lingkaran

CONTOH SOAL KELILING LINGKARAN

1. Lingkaran dengan jari-jari 7 cm, hitung kelilingnya!

jawab :

K = Phi x 2 x r

K = 22/7 x 2 x 7

K = 44 cm

CONTOH SOAL KELILING LINGKARAN

1. Lingkaran dengan keliling 134 cm, hitung diameternya!

jawab :

K = Phi x d

d = k / phi = 134 / 1,34

d = 100 cm

Rumus Luas Lingkaran

CONTOH SOAL LUAS LINGKARAN

1. Lingkaran dengan jari-jari 7 cm, hitung kelilingnya!

jawab :

K = Phi x 2 x r

K = 22/7 x 2 x 7

K = 44 cm

MENGHITUNG KELILING DAN LUAS BANGUN YANG DI ARSIR

Soal !

Pada gambar di samping, misal sudut AOB = 90⁰, dan panjang OB = 14 cm, hitung:

a. Luas Juring OAB

b. Luas segitiga AOB

c. Luas tembereng nya 

Luas Tembereng = Luas juring - luas segitiga nya

MENGHITUNG KELILING DAN LUAS BANGUN YANG DI ARSIR

Hitung Keliling dan luas daerah yang di arsir !!

LINGKARAN

By Yusti Paraya

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