Jawaban:
1. 32 cm opsi b
2. 729 cm Opsi d.
3. 24 cm opsi b.
4. luas = 169 cm² opsi c.
Penjelasan dengan langkah-langkah:
1. rumus mencari keliling persegi panjang = p × 2 + l × 2
= 12 × 2 = 24 cm
4 × 2 = 8 cm
= 24 + 8 = 32 cm
2. luas persegi = s × s
= 27 × 27
= 729 cm
3. rumus mencari keliling segitiga sama sisi = sisi a + sisi b + sisi c
= 8 + 8 + 8
= 24 cm
4. luas persegi = s × s
= 13 × 13
= 169 cm
#Semoga bermanfaat
#Koreksi
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Jawaban:
1. 32 cm opsi b
2. 729 cm Opsi d.
3. 24 cm opsi b.
4. luas = 169 cm² opsi c.
Penjelasan dengan langkah-langkah:
1. rumus mencari keliling persegi panjang = p × 2 + l × 2
= 12 × 2 = 24 cm
4 × 2 = 8 cm
= 24 + 8 = 32 cm
2. luas persegi = s × s
= 27 × 27
= 729 cm
3. rumus mencari keliling segitiga sama sisi = sisi a + sisi b + sisi c
= 8 + 8 + 8
= 24 cm
4. luas persegi = s × s
= 13 × 13
= 169 cm
#Semoga bermanfaat
#Koreksi