6 sampai 10 mohon bantuannya

no6.
[tex] \sqrt{ {10}^{2} - {2}^{2} } = \sqrt{100 - 4} = \sqrt{96} = 4 \sqrt{6 } = 9.79795897[/tex]
jawaban a. 9,8
no7.
[tex] \sqrt{ {10}^{2} - {8}^{2} } \sqrt{100 - 64} = \sqrt{36} = 6[/tex]
jawaban d. 6,0
no.9
[tex] \sqrt{ {8}^{2} - {(4 + 2)}^{2} } = \sqrt{64 - 36} = \sqrt{28} [/tex]
[tex] \sqrt{28 } = 5.29[/tex]
jawaban c. 5,3