Matematika Sekolah Dasar pls Bantu pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pake cara
pls Bantu pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pls pake cara Jawaban: [tex]7. \: k = \frac{3}{4} \times 2 \times \pi \times r = \frac{3}{4} \times 2 \times \frac{22}{7} \times 35 = 3 \times 2 \times 22 \times 5 = \frac{660}{4} = 165 \: cm \: [/tex] [tex]8. \: k = \frac{1}{4} \times \pi \times d = \frac{1}{4} \times 3.14 \times 15 = \frac{47.1}{4} = 11.775 \: cm[/tex] koreksi Penjelasan dengan langkah-langkah: semoga membantu yaa 7. K=2πr K3/4=3/4.219,8.35 K=2.3,14.35 K3/4=5.769,75cm K=219,8cm 8. K=1/4πr² K=1/4.3,14.15² K=176,625
