Kill The Black One First: The most moving story you’ll read this year

Kill The Black One First: The most moving story you’ll read this year

Matematika Sekolah Menengah Pertama perhatikan gambar berikut hitunglah luas yg di arsir​

perhatikan gambar berikut hitunglah luas yg di arsir​

Jawaban:

288 cm²

PEMBAHASAN:

Rumus:

[tex]\colorbox{blk}{ \sf{ \color{darkblue}{● \: Luas Daerah Arsir \: :}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = L. Persegi Panjang - L. 2 Segitiga}}}\\[/tex]

[tex]\colorbox{blk}{ \sf{ \color{darkblue}{● \:Luas Persegi Panjang \: :}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: p × l}}}\\[/tex]

[tex]\colorbox{blk}{ \sf{ \color{darkblue}{● \:Luas Segitiga\: :}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: ½ × a × t}}}\\[/tex]

Penyelesaian

[tex]\colorbox{blk}{ \sf{ \color{darkblue}{ ◇\:Luas Persegi Panjang \: :}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: p × l}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: 20 × 15}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: 300 \: cm²}}}\\[/tex]

[tex] \\ \colorbox{blk}{ \sf{ \color{darkblue}{◇ \:Luas Segitiga\: :}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \:2 \: × ½ × 3 \: × 4}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: 2 \: × 3 \: × \: 2 }}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = 12 \: cm²}}}\\[/tex]

[tex] \\ \colorbox{blk}{ \sf{ \color{darkblue}{◇ \: Luas Daerah Arsir \: :}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = L. Persegi Panjang - L. 2 Segitiga}}}\\[/tex]

[tex]\colorbox{rd}{ \sf{ \color{green}{L = \: 300 - 12}}}\\[/tex]

[tex]\colorbox{black}{ \sf{ \color{white}{L = \: 288 \: cm²}}}\\[/tex]

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