Tolong di jwb pake caranya juga yah kak

BC = √CD² + BD²
= √4² + 3²
= √16 + 9
= √25
= 5 cm
Keliling
= AB + BC + AC
= 10 cm + 5 cm + 15 cm
= 30 cm
Luas
= ½ × a × t
= ½ × 10 cm × 4 cm
= 20 cm²
semoga membantu
[answer.2.content]BC = √CD² + BD²
= √4² + 3²
= √16 + 9
= √25
= 5 cm
Keliling
= AB + BC + AC
= 10 cm + 5 cm + 15 cm
= 30 cm
Luas
= ½ × a × t
= ½ × 10 cm × 4 cm
= 20 cm²
semoga membantu
[answer.2.content]