Jawab:
B. 64m
Penjelasan dengan langkah-langkah:
Keliling persegi panjang
= 2 x ( p + l )
= 2 x ( 14 + 7 )
= 2 x 21
= 42 m
Keliling ½ lingkaran
= ½ ( 2 x π x r )
= ½ ( 2 x 22/7 x 7 )
= ½ (2 x 22 )
= ½ x 44
= 22 m
Total Keliling
= 42 + 22
= 64 m
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Jawab:
B. 64m
Penjelasan dengan langkah-langkah:
Keliling persegi panjang
= 2 x ( p + l )
= 2 x ( 14 + 7 )
= 2 x 21
= 42 m
Keliling ½ lingkaran
= ½ ( 2 x π x r )
= ½ ( 2 x 22/7 x 7 )
= ½ (2 x 22 )
= ½ x 44
= 22 m
Total Keliling
= 42 + 22
= 64 m