Answer:
There are 29 triangles when you count them all including non obvious ones.
Answered respectively;
1) 0.13514
2) 0.125
The answer is (2b+1)(3b-4)
Answer:
The Area of the shaded region = (Area of the largest circle) – (Area of the circle with radius 3) – (Area of the circle with radius 2). Whatever is left over is the shaded region. The diameter of the largest circle is 10, so its radius is 5 and thus its area is 25π. SO do this in that problem and you will get the answer.
Step-by-step explanation:
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