A chord in a circle is 18 cm long and is 5 cm from the center of the circle. How long is the radius of the circle
1 answer:
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Answer:
6.4 units
Step-by-step explanation:
Distance² = (change in y)² + (change in x)²
Distance² = (4 - -1)² + (-8 - -4)²
Distance² = 25 + 16 = 41
Distance = = 6.403124237
The distance is 6.4 units (rounded off to nearest tenth)