The diameter of the circle is 18 cm.
The radius is one half the diameter.
Therefore the radius is 18/2 = 9 cm
Answer: 9 cm
Answer:
5*3=15
Step-by-step explanation:
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Answer: 63 degrees.
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
Therefore: 54 + y + y = 180
So 54 + 2y = 180
So 2y = 126
Therefore y = 63 degrees.