Area of circle 1 = πr²
Area of circle 1 = π (10)²
Area of circle 1 = 100π km²
Area of circle 2 = πr²
Area of circle 2 = π (5)²
Area of circle 2 = 25π km²
Number of times the bigger circle is greater than the smaller circle

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Answer: The big circle is 4 times greater than the small circle.------------------------------------------------------------------------------------
The answer is D, because in the step before that it was proved that the triangles were congruent and CPCTC is used after they are proved congruent.
Answer: D. Quadratic
Step-by-step explanation:
You did it right. 1.35 + 7.00 and you have the right answer. is that what you mean?