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P a d a space s e g i t i g a space P Q R space d i k e t a h u i space b a h w a space less than P Q R equals 105 degree comma space p a n j a n g space P R equals 16 space c m comma space Q R equals 11 space c m. space L u a s space s e g i t i g a space P Q R...

  1. 176 space c m squared

  2. 88 space c m squared

  3. 66 space c m squared

  4. 44 space c m squared

  5. 22 space c m squared

A. Acfreelance

Master Teacher

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Pembahasan

less than P R Q equals 180 degree minus left parenthesis 45 degree plus 105 degree right parenthesis  space space space space space space space space space space space space space equals 180 degree minus 150 degree equals 30 degree  L equals 1 half p. q. sin R  space space space equals 1 half 11.16. sin 30 degree  space space space equals 11. up diagonal strike 8 to the power of 4. fraction numerator 1 over denominator up diagonal strike 2 end fraction  space space space equals 44 space c m squared

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