Jawaban:
44 cm
Penjelasan dengan langkah-langkah:
154 cm²= 22/7 × r²
154 cm² × 7/22= r²
49 cm²= r²
r= 7 cm
K= 2 × pi × r
= 2 × 22/7 × 7 cm
= 2 × 22 × 1 cm
= 44 cm
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
44 cm
Penjelasan dengan langkah-langkah:
154 cm²= 22/7 × r²
154 cm² × 7/22= r²
49 cm²= r²
r= 7 cm
K= 2 × pi × r
= 2 × 22/7 × 7 cm
= 2 × 22 × 1 cm
= 44 cm