Plz plz plz help me solving this question
2 answers:
Answer:
<em>3.950121805833336 ≈ 4 m </em>
Step-by-step explanation:
The area of a circle is calculated using this formula: <u>A= πr² </u>. Since we know the area of the circle is 154 we have all the values we need to solve this problem.
154 = πr²
√154 = πr
12.40967... = πr
12.40967.../π = r
3.950121805833336 = r
<em>3.950121805833336 ≈ 4 meters </em>
Perimeter: 19 cm ( I added 5.5+7.5+6)
The length of each side of the square: 8 cm
We know that the area is 64 cm2
A=a*a (length times length) We get 8 (because we know the times tables)
Volume: 100
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