Penjelasan dengan langkah-langkah:
Segitiga sembarang
[tex]K = 7+10+8 = 25 \: cm[/tex]
[tex]L = \frac{7 + 6}{2} = \frac{13}{2} = 6.5 \: {cm}^{2} [/tex]
jajargenjang
[tex]K=(6+11) \times 2 = 34 \: cm[/tex]
[tex]L=11 \times 4=44 \: {cm}^{2} [/tex]
Layang-Layang
[tex]K=(4+9)×2=26 \: cm[/tex]
[tex]L = \frac{6 \times 18}{2} = 54 \: {cm}^{2} [/tex]
Belah ketupat
[tex]K=5×4=20 \: cm[/tex]
[tex]L = \frac{7 \times 10}{2} = 35 \: {cm}^{2} [/tex]
trapesium
[tex]K = 7+8+9+14 = 38 \: cm[/tex]
[tex]L = \frac{(14 + 9) \times 6}{2} = 69 \: {cm}^{2} [/tex]
semoga membantu :)
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Penjelasan dengan langkah-langkah:
Segitiga sembarang
[tex]K = 7+10+8 = 25 \: cm[/tex]
[tex]L = \frac{7 + 6}{2} = \frac{13}{2} = 6.5 \: {cm}^{2} [/tex]
jajargenjang
[tex]K=(6+11) \times 2 = 34 \: cm[/tex]
[tex]L=11 \times 4=44 \: {cm}^{2} [/tex]
Layang-Layang
[tex]K=(4+9)×2=26 \: cm[/tex]
[tex]L = \frac{6 \times 18}{2} = 54 \: {cm}^{2} [/tex]
Belah ketupat
[tex]K=5×4=20 \: cm[/tex]
[tex]L = \frac{7 \times 10}{2} = 35 \: {cm}^{2} [/tex]
trapesium
[tex]K = 7+8+9+14 = 38 \: cm[/tex]
[tex]L = \frac{(14 + 9) \times 6}{2} = 69 \: {cm}^{2} [/tex]
semoga membantu :)