4.5 / 2 = 2.25cm radius for the smaller circle
3.14 (pi) × 2.25² = 15.89625cm²
10.5 / 2 = 5.25cm radius for the larger circle
3.14 × 5.25² = 86.54625cm²
86.54625 - 15.89625 = <span>70.65cm</span>²
The answer is 70.7cm².
Answer:
H Maggie is write answers
Answer:
67.5°
Step-by-step explanation:
180 -45 = 135
135 / 2
k= 67.5
If this is simplify 2x^2 + 12x - 7, then it is 2x(x+6) -7.
