<span>the discriminant formula is D = b^2 - 4ac
(idk how to put graphs or anything but yeh)
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Answer:
r = 5.63 cm
Step-by-step explanation:
Given that,
The area of a circle, A = 99.88 cm²
We need to find the radius of the circle. We know that, the area of a circle is given by :
So, the radius of circle is 5.63 cm.
Answer: 1320; 495
Step-by-step explanation:
Explanation is in the attachment file