Jawab:a.150
Penjelasan dengan langkah-langkah:
semga
Jawaban:
Luas lingkaran yang panjang diameternya 28 cm adalah ... cm²
[tex] \sf L = \pi \times {r}^{2} [/tex]
[tex] \: \: \: \: \sf = \frac{22}{7} \times {14}^{2} [/tex]
[tex] \: \: \: \: \sf = \frac{22}{ \cancel{ \: 7 \: }} \times { \cancel{14}}^{ \: 2} \times 14[/tex]
[tex] \: \: \: \: \sf = 22 \times 2 \times 14[/tex]
[tex] \: \: \: \: \sf = 22 \times 28[/tex]
[tex] \: \: \: \: \sf = \red{616 \: {cm}^{2} }[/tex]
'조슈아' (Svt)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawab:a.150
Penjelasan dengan langkah-langkah:
semga
Verified answer
Jawaban:
Penyelesaian :
Luas lingkaran yang panjang diameternya 28 cm adalah ... cm²
Luas lingkaran
[tex] \sf L = \pi \times {r}^{2} [/tex]
[tex] \: \: \: \: \sf = \frac{22}{7} \times {14}^{2} [/tex]
[tex] \: \: \: \: \sf = \frac{22}{ \cancel{ \: 7 \: }} \times { \cancel{14}}^{ \: 2} \times 14[/tex]
[tex] \: \: \: \: \sf = 22 \times 2 \times 14[/tex]
[tex] \: \: \: \: \sf = 22 \times 28[/tex]
[tex] \: \: \: \: \sf = \red{616 \: {cm}^{2} }[/tex]
'조슈아' (Svt)