[tex] \boxed{ \sf{misal : }}[/tex]
[tex] \star \: { \sf{garis \: singgung \: persekutuan \: luar = s}}[/tex]
[tex] \star \: { \sf{jarak \: kedua \: pusat = ab}}[/tex]
[tex] \star \: { \sf{jari \: jari \: pertama = {r}^{1} }}[/tex]
[tex] \star \: { \sf{jari \: jari \: kedua = {r}^{2} }}[/tex]
[tex] \boxed{ \sf{diketahui : }}[/tex]
[tex] \star \: { \sf{s = 29 \: cm}}[/tex]
[tex] \star \: { \sf{ab = 26 \: cm}}[/tex]
[tex] \star \: { \sf{ {r}^{1} = 15 \: cm }}[/tex]
[tex] \boxed{ \sf{ditanya : }}[/tex]
[tex] \star \: { \sf{ {r}^{2} = ... \: cm }}[/tex]
[tex] \boxed{ \sf{jawaban : }}[/tex]
[tex] \sf{ {r}^{1} - {r}^{2} = \sqrt{ {s}^{2} - {ab}^{2} } }[/tex]
[tex] \sf{15 - {r}^{2} = \sqrt{ { {29}^{2} } - {26}^{2} } }[/tex]
[tex] \sf{15 - {r}^{2} = \sqrt{841 - 676} }[/tex]
[tex] \sf{15 - {r}^{2} = \sqrt{165} }[/tex]
[tex] \sf{15 - {r}^{2} = 12.85}[/tex]
[tex] \sf{ - {r}^{2} = 12.85 - 15 }[/tex]
[tex] \sf{ - {r}^{2} = - 2.15}[/tex]
[tex] \boxed{ \sf{ \underline{ {r}^{2} = 2.15 \: cm }}}[/tex]
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[tex] \boxed{ \sf{misal : }}[/tex]
[tex] \star \: { \sf{garis \: singgung \: persekutuan \: luar = s}}[/tex]
[tex] \star \: { \sf{jarak \: kedua \: pusat = ab}}[/tex]
[tex] \star \: { \sf{jari \: jari \: pertama = {r}^{1} }}[/tex]
[tex] \star \: { \sf{jari \: jari \: kedua = {r}^{2} }}[/tex]
[tex] \boxed{ \sf{diketahui : }}[/tex]
[tex] \star \: { \sf{s = 29 \: cm}}[/tex]
[tex] \star \: { \sf{ab = 26 \: cm}}[/tex]
[tex] \star \: { \sf{ {r}^{1} = 15 \: cm }}[/tex]
[tex] \boxed{ \sf{ditanya : }}[/tex]
[tex] \star \: { \sf{ {r}^{2} = ... \: cm }}[/tex]
[tex] \boxed{ \sf{jawaban : }}[/tex]
[tex] \sf{ {r}^{1} - {r}^{2} = \sqrt{ {s}^{2} - {ab}^{2} } }[/tex]
[tex] \sf{15 - {r}^{2} = \sqrt{ { {29}^{2} } - {26}^{2} } }[/tex]
[tex] \sf{15 - {r}^{2} = \sqrt{841 - 676} }[/tex]
[tex] \sf{15 - {r}^{2} = \sqrt{165} }[/tex]
[tex] \sf{15 - {r}^{2} = 12.85}[/tex]
[tex] \sf{ - {r}^{2} = 12.85 - 15 }[/tex]
[tex] \sf{ - {r}^{2} = - 2.15}[/tex]
[tex] \boxed{ \sf{ \underline{ {r}^{2} = 2.15 \: cm }}}[/tex]