Rumus Luas Bangun Datar
1. Persegi
![](https://i0.wp.com/3.bp.blogspot.com/_9qFxI4v_ugg/S-ap1FBqUII/AAAAAAAAAAU/P9XT3IWFWZI/s320/persegi.JPG)
Luas = Sisi x Sisi
= s x s
2. Persegi Panjang
![](https://i0.wp.com/upload.wikimedia.org/wikipedia/id/b/b2/Persegi_panjang.JPG)
Luas = Panjang x lebar
= p x l
3. Trapesium
![](https://i0.wp.com/2.bp.blogspot.com/_g30iiY0E5ek/Sz7M3ZloqHI/AAAAAAAAANg/V8gWYmQZtkA/s320/trapesium.JPG)
Luas = 1/2 x jumlah sisi sejajar x tinggi
= 1/2 x ( a + b ) x t
4. Layang-layang
![](https://i0.wp.com/upload.wikimedia.org/wikipedia/id/thumb/5/5a/Layang.JPG/220px-Layang.JPG)
Luas = 1/2 x diagonal 1 x diagonal 2
= 1/2 x d1 x d2
5. Jajargenjang
![jajar_genjang](https://matikkelas6.files.wordpress.com/2012/11/jajar_genjang.jpg?w=300&h=199)
Luas = alas x tinggi
= a x t
6. Segi Tiga
![](https://i0.wp.com/2.bp.blogspot.com/_9qFxI4v_ugg/S-f7hmAadbI/AAAAAAAAAAk/zpK35N8D-eU/s1600/segitiga.JPG)
Luas = 1/2 x alas x tinggi
= 1/2 x a x t
7. Lingkaran
Luas = Sisi x Sisi
= s x s
2. Persegi Panjang
Luas = Panjang x lebar
= p x l
3. Trapesium
Luas = 1/2 x jumlah sisi sejajar x tinggi
= 1/2 x ( a + b ) x t
4. Layang-layang
Luas = 1/2 x diagonal 1 x diagonal 2
= 1/2 x d1 x d2
5. Jajargenjang
![jajar_genjang](https://matikkelas6.files.wordpress.com/2012/11/jajar_genjang.jpg?w=300&h=199)
Luas = alas x tinggi
= a x t
6. Segi Tiga
Luas = 1/2 x alas x tinggi
= 1/2 x a x t
7. Lingkaran
Luas = 22/7 x jari-jari x jari-jari
= 22/7 x r x r
Sumber : https://matikkelas6.wordpress.com
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