Penjelasan dengan langkah-langkah:
A.
[tex]bc = \sqrt{ {ab}^{2} + {ac}^{2} } \\ 25 = \sqrt{ {15}^{2} + {20}^{2} } \\ 25 = \sqrt{225 + 400} \\ 25 = \sqrt{625} \\ 25 = 25 \\ jadi \: segitiga \: abc \: adalh \: segitiga \: siku \: siku[/tex]
B. sudut yg siku² adlh sudut A
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Penjelasan dengan langkah-langkah:
A.
[tex]bc = \sqrt{ {ab}^{2} + {ac}^{2} } \\ 25 = \sqrt{ {15}^{2} + {20}^{2} } \\ 25 = \sqrt{225 + 400} \\ 25 = \sqrt{625} \\ 25 = 25 \\ jadi \: segitiga \: abc \: adalh \: segitiga \: siku \: siku[/tex]
B. sudut yg siku² adlh sudut A