Penjelasan dengan langkah-langkah:
a. kelilingnya
cari dlu panjang sisinya
= √(24÷2)² + (10÷2)²
= √12² + 5²
= √144 + 25
= √169
= √13²
= 13 cm
K = 4s
K = 4 × 13
K = 52 cm
__
L = 1/2 × d1 × d2
L = 1/2 × 10 × 24
L = 5 × 24
L = 120 cm²
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Penjelasan dengan langkah-langkah:
a. kelilingnya
cari dlu panjang sisinya
= √(24÷2)² + (10÷2)²
= √12² + 5²
= √144 + 25
= √169
= √13²
= 13 cm
K = 4s
K = 4 × 13
K = 52 cm
__
L = 1/2 × d1 × d2
L = 1/2 × 10 × 24
L = 5 × 24
L = 120 cm²