257 sats \ 0 replies \ @Rexdentron 26 Sep \ on: [Daily puzzle] Fraction of area tinted yellow? charts_and_numbers
Total area = π.(3r)² = π.9r²
Total area of the second circle = π.(2r)² = π.4r²
| Yellow area | Total area - ⅔ of the Total area - ⅓ of Total area of second circle |
| π.9r² - π.6r² - π. 4/3.r² | |
| (9 - 6 - 4/3) π.r² | |
| 5/3.π.r² |