Materi : Lingkaran
Juring = AOD
Tembereng = ABC
Apotema = OB
Busur = AD, AC, CE, DE
Tali Busur = AC
L = s² - πr²
L = 42 × 42 - 22/7 × 21 × 21
L = 1.764 cm² - 1.386 cm³
L = 378 cm²
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
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Materi : Lingkaran
Soal Nomor 1
Juring = AOD
Tembereng = ABC
Apotema = OB
Busur = AD, AC, CE, DE
Tali Busur = AC
Soal Nomor 2
L = s² - πr²
L = 42 × 42 - 22/7 × 21 × 21
L = 1.764 cm² - 1.386 cm³
L = 378 cm²
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]