Luas lingkaran berjari jari 6 cm adalah ...
= phi × r²
= 3,14 × 6 × 6
= 3,14 × 36
= 113,04 cm²
-
Luas 3/4 lingkaran berjari jari 6 cm adalah ...
= 3/4 × phi × r²
= 3/4 × 3,14 × 6 × 6
= 3/2 × 3,14 × 3 × 6
= 3/1 × 3,14 × 3 × 3
= 3 × 3,14 × 9
= 27 × 3,14
= 84,78 cm²
#koreksii
Penjelasan dengan langkah-langkah:
L = πr²
L = 3,14 × 6 × 6
L = 18,84 × 6
L = 113,04 Cm²
L = 3/4 × π × r²
L = 3/4 × 3,14 × 6 × 6
L = 3/4 × 3,14 × 3 × 3
L = 3/1 × 3,14 × 9
L = 3/1 × 28,26
L = 84,78 Cm²
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Luas lingkaran berjari jari 6 cm adalah ...
= phi × r²
= 3,14 × 6 × 6
= 3,14 × 36
= 113,04 cm²
-
Luas 3/4 lingkaran berjari jari 6 cm adalah ...
= 3/4 × phi × r²
= 3/4 × 3,14 × 6 × 6
= 3/2 × 3,14 × 3 × 6
= 3/1 × 3,14 × 3 × 3
= 3 × 3,14 × 9
= 27 × 3,14
= 84,78 cm²
#koreksii
Penjelasan dengan langkah-langkah:
L = πr²
L = 3,14 × 6 × 6
L = 18,84 × 6
L = 113,04 Cm²
L = 3/4 × π × r²
L = 3/4 × 3,14 × 6 × 6
L = 3/4 × 3,14 × 3 × 3
L = 3/1 × 3,14 × 9
L = 3/1 × 28,26
L = 84,78 Cm²