s² = r² + t²
s² = ( 12 ÷ 2 )² + 8²
s² = 6² + 8²
s² = ( 6 × 6 ) + ( 8 × 8 )
s² = 36 + 64
s² = 100
s = √100
s = 10 cm
πr ( r + s )
3,14 × ( 12 ÷ 2 ) ( ( 12 ÷ 2 ) + 10 )
3,14 × 6 ( 6 + 10 )
18,84 ( 16 )
301,44 cm²
Jawaban:
Jawaban ada di gambar ya
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s² = r² + t²
s² = ( 12 ÷ 2 )² + 8²
s² = 6² + 8²
s² = ( 6 × 6 ) + ( 8 × 8 )
s² = 36 + 64
s² = 100
s = √100
s = 10 cm
πr ( r + s )
3,14 × ( 12 ÷ 2 ) ( ( 12 ÷ 2 ) + 10 )
3,14 × 6 ( 6 + 10 )
18,84 ( 16 )
301,44 cm²
Jawaban:
Jawaban ada di gambar ya