Materi : Kesebangunan dan Kekonggruenan
∆BCD sebangun ∆BAE
∆BCD { a¹ = 9 , t¹ = 12 , s¹ = 15 }
∆BAE { a² = BE , t² = AE , s² = 20 }
t²/t¹ = s²/s¹
AE/CD = AB/BC
AE/12 = 20/15
AE = 12 × 4/3
AE = 16 cm { c. }
Semoga bisa membantu
[tex] \boxed{ \colorbox{navy}{ \sf{ \color{lightblue}{ Answer\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
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Materi : Kesebangunan dan Kekonggruenan
∆BCD sebangun ∆BAE
∆BCD { a¹ = 9 , t¹ = 12 , s¹ = 15 }
∆BAE { a² = BE , t² = AE , s² = 20 }
Panjang AE
t²/t¹ = s²/s¹
AE/CD = AB/BC
AE/12 = 20/15
AE = 12 × 4/3
AE = 16 cm { c. }
Semoga bisa membantu
[tex] \boxed{ \colorbox{navy}{ \sf{ \color{lightblue}{ Answer\:by\: BLUEBRAXGEOMETRY}}}} [/tex]