Find the area and circumference of a circle which is 5cm
2 answers:
Answer:
Area= 78.5 cm² (3 s.f.)
Circumference= 31.4 cm (3 s.f.)
Step-by-step explanation:
In this question, the radius is 5cm thus r= 5.
Area of circle
= π(5²)
= 25π
= 78.5 cm² (3 s.f.)
Circumference of the circle
= 2(π)(5)
= 10π
= 31.4 cm (3 s.f.)
Answer: 31.416
Step-by-step explanation:
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