keliling daerah yang diarsir ada
a. 132 cm
b. 198 cm
c. 240 cm
d. 282 cm
tolong dijawab pake cara
a. 132 cm
b. 198 cm
c. 240 cm
d. 282 cm
tolong dijawab pake cara
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
C (240 cm)
Penjelasan dengan langkah-langkah:
K(½lingkaran besar) = ½ × 2πr = 22/7 × 42 = 132
K (½lingkaran kecil) = ½ × 2 × 22/7 × 21 = 66
K(arsiran) = 132 + 66 + 42 = 198 + 42 = 240 cm