A shopper uses a department store gift card to pay for 5 sweaters priced at $18 each. What is the change in value of the gift ca
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Answer: Find answer in the attached file
Answer:
66 cm
Step-by-step explanation:
Let's define the circumference first.
It is the boundary of any curved geometric figure specially circle.
We are given the diameter of the circle in the diagram
The diameter is:
d = 21 cm
to find the circumference, we have to find the radius of the circle first.
As radius is half of diameter
d = r/2
= 21/2
= 10.5 cm
The formula for circumference is:
The circumference is 66 cm ..