(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

(Almost) Impossible Integrals, Sums, and Series (Problem Books in Mathematics)

Matematika Luas juring AOB pada gambar berikut adalah...​

Luas juring AOB pada gambar berikut adalah...​

Luas juring ( L ) = a/360⁰ × π × r²

= 120/360 × 22/7 × 28²

= 1/3 × 22/7 × 28 × 28

= 1/3 × 22 × 4 × 28

= 1/3 × 88 × 28

= 1/3 × 2.464

= 821,33 cm²