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Matpel : Matematika
Kelas : 8 SMP
Bab : Teorema Pythagoras


Jawaban :
[tex]1) \: a = \sqrt{c {}^{2} } - b {}^{2} [/tex]
[tex] \sqrt{15 {}^{2} } - 12 {}^{2} [/tex]
[tex] \sqrt{225} - 144[/tex]
[tex] \sqrt{81} [/tex]
[tex]9 \: cm[/tex]
[tex]2) \: b = \sqrt{c {}^{2} } - a {}^{2} [/tex]
[tex] \sqrt{30 {}^{2} } - 18 {}^{2} [/tex]
[tex] \sqrt{900} - 324[/tex]
[tex] \sqrt{576} [/tex]
[tex]24 \: cm[/tex]
[tex]3) \: c = \sqrt{a {}^{2} } + b {}^{2} [/tex]
[tex] \sqrt{30 {}^{2} } + 40 {}^{2} [/tex]
[tex] \sqrt{900 + 1600} [/tex]
[tex] \sqrt{2500} [/tex]
[tex]50 \: cm[/tex]