Bantu jawab beserta cara gk jls ?report
Jawaban:
Jawaban:
2. r = L : π
= 1386 cm² : 22/7
= 1386 cm² × 7/22
= 63 cm² × 7
= 441 cm
3. diameter:
d = K : π
= 94,2 cm : 3,14
= 30 cm
jari jari:
r = d : 2
= 30 cm : 2
= 15 cm
Luas:
L = π × r²
= 3,14 × 15 cm × 15 cm
= 3,14 × 225
= 706,5 cm²
semoga bermanfaat dan maaf klo salah