The Radius of a circle is 5 cm. Find the area of the circle, correct to one decimal place.
1 answer:
Answer:
78.5
Step-by-step explanation:
x3.14 (pie)
so then substitute.
5x5=25
25x3.14=78.5
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Answer:
1/25
Step-by-step explanation:
1 m = 100 cm
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If it is 16 cm long, then the scale factor is 16/400, which simplifies to 1/25.