Answer:
B
Step-by-step explanation:
arc length = circumference × fraction of circle
= 84 × = 21 cm
Which property or postulate is shown? If A=B and B=C, then A=C.
2 answers:
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Answer:
19.6 cm²
Step-by-step explanation:
If a circle fits perfectly inside of a square, then its diameter is equal to the length of sides of the square.
The area of a circle is given by:
In this problem, d = 5 cm, the area of the circle is:
The approximate area of the circle is 19.6 cm².