5dregensleyerjawaban soal nomer 24 r = 1/2 x 7 = 3,5 cm luas =persegi +1/2 lingkaran = ( s x s) + ( 1/2 x π x r²) = ( 7 x 7) + ( 1/2 x 22/7 x 3,5 x 3,5) = 49 + ( 11/2 x 3,5) = 49 + 19,25 = 68,25 cm²
jawaban soal nomer 25 d = 28 r = 1/2 x 28 = 14 luas = π x r² = 22/7 x 14 x 14 = 22 x 2 x 14 = 616 cm²
jawaban soal nomer 26 nomer 26 jari-jarinya tidak diketahui saya uji coba pakai jari-jari 14 cm volume = π x r² x t = 22/7 x 14 x 14 x 15 = 22 x 2 x 14 x 15 = 9240 cm³
r = 1/2 x 7
= 3,5 cm
luas =persegi +1/2 lingkaran
= ( s x s) + ( 1/2 x π x r²)
= ( 7 x 7) + ( 1/2 x 22/7 x 3,5 x 3,5)
= 49 + ( 11/2 x 3,5)
= 49 + 19,25
= 68,25 cm²
jawaban soal nomer 25
d = 28
r = 1/2 x 28
= 14
luas = π x r²
= 22/7 x 14 x 14
= 22 x 2 x 14
= 616 cm²
jawaban soal nomer 26
nomer 26 jari-jarinya tidak diketahui saya uji coba pakai jari-jari 14 cm
volume = π x r² x t
= 22/7 x 14 x 14 x 15
= 22 x 2 x 14 x 15
= 9240 cm³