Circumference= pi × d
So
d= circumference/pi
So to find out the diameter, just do 56.52/pi= 17.99mm (2 d.p.)
Answer:

Step-by-step explanation:
<u>Step 1: Convert words into numbers
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<u>Step 2: Multiply
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<u>Step 3: Divide
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Answer: 
<span>The lowest common denominator of 5/42 and 7/30 is 210.</span>
Answer:
The answer is D.
Step-by-step explanation:
In similarity, the triangles have the same angles but different length of sides.
(Correct me if I am wrong)
I think it is b hope it helps