B + 8b - 5 - 2b = 16, b = 3
Answer:
125.6 cm²
Step-by-step explanation:
Area inside the bigger circle but outside the smaller circle:
3.14 × (11² - 9²)
3.14 × 40
125.6 cm²
So you would divide 89 by 3, and you should get 29.6
Cotx = Cosx/sinx
1/Cotx = sinx/cosx
Sinx + cosx *1/cotx = sinx + cosx * sinx/cosx = 2sinx
Answer:134
Step-by-step explanation: