= 1/2 . 16 . 12
= 96 cm²
sisi belah ketupat (s) = √(1/2 . d1)² +(1/2 . d2)²
= √(1/2 . 16)² +(1/2 . 12)²
= √8² +6²
= √100
= 10 cm
Keliling = 4s
= 4(10)
= 40 cm
= 1/2 . 16 . 12
= 96 cm²
sisi belah ketupat (s) = √(1/2 . d1)² +(1/2 . d2)²
= √(1/2 . 16)² +(1/2 . 12)²
= √8² +6²
= √100
= 10 cm
Keliling = 4s
= 4(10)
= 40 cm
Editor: Yulia Pramuninggar
Sumber: Buku Matematika Kelas 8 Semester 2