Jawaban:
[tex] \sf {s}^{2} = ( { \frac{1}{2} \times d_{1}) }^{2} + ( { \frac{1}{2} \times d_{2}) }^{2} [/tex]
[tex] \sf {s}^{2} = ( { \frac{1}{2} \times 24)}^{2} + ( { \frac{1}{2} \times 32)}^{2} [/tex]
[tex] \sf {s}^{2} = {(12)}^{2} + {(16)}^{2} [/tex]
[tex] \sf {s}^{2} = 144 + 256[/tex]
[tex] \sf {s}^{2} = 400[/tex]
[tex] \sf s = \sqrt{400} [/tex]
[tex] \sf s = \red{20 \: cm}[/tex]
Jenis segitiga yang dibentuk oleh sisi 3 cm, 7 cm, 8 cm adalah ...
[tex] \sf {c}^{2} = {a}^{2} + {b}^{2} \\ \sf {8}^{2} = {3}^{2} + {7}^{2} \\ \sf {8}^{2} = 9 + 49 \: \\ \sf 64 \red{ > }58 \: \: \: \: \: \: \: \: [/tex]
Jenis segitiga Tumpul
'비상' (Svt)
jawaban terlampir pada gambar yaa
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Jawaban:
Nomor 5.
Panjang sisi belah ketupat
[tex] \sf {s}^{2} = ( { \frac{1}{2} \times d_{1}) }^{2} + ( { \frac{1}{2} \times d_{2}) }^{2} [/tex]
[tex] \sf {s}^{2} = ( { \frac{1}{2} \times 24)}^{2} + ( { \frac{1}{2} \times 32)}^{2} [/tex]
[tex] \sf {s}^{2} = {(12)}^{2} + {(16)}^{2} [/tex]
[tex] \sf {s}^{2} = 144 + 256[/tex]
[tex] \sf {s}^{2} = 400[/tex]
[tex] \sf s = \sqrt{400} [/tex]
[tex] \sf s = \red{20 \: cm}[/tex]
Nomor 6.
Jenis segitiga yang dibentuk oleh sisi 3 cm, 7 cm, 8 cm adalah ...
[tex] \sf {c}^{2} = {a}^{2} + {b}^{2} \\ \sf {8}^{2} = {3}^{2} + {7}^{2} \\ \sf {8}^{2} = 9 + 49 \: \\ \sf 64 \red{ > }58 \: \: \: \: \: \: \: \: [/tex]
Jenis segitiga Tumpul
'비상' (Svt)
jawaban terlampir pada gambar yaa