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Please Do All I Need Helppppppp class=

Sagot :

Answer:

1. 30 metres

2. 27 squared feet,

3.  25.13 cm

4. 50.27 sqared inches

5. 15.71 metres

6. 380.13 squared metres

7. Area is: 4.52 squared metres Circumference is: 7.54 metres

8. Circumference is: 47.12 feet Area is: 176.71 squared feet

Step-by-step explanation:

1. Since you're rounding pi, your calculation would be:

2 × 3 × 5 = 30

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2. Since you're rounding pi, it would be:

3 × 3² = 27

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3. Use the formula for number 5

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4. Use the formula in number 6

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5. Formula for the circumference of a circle is:

[tex]C=2\pi r[/tex]

So:

2 × 3.14 × 2.5 = 15.71

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6.  Formula for the area of a circle is:

[tex]A=\pi r^2[/tex]

So:

3.14 × 121 =  380.13

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7. Use the formula for numbers 5 and 6 to figure these out

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8. Use the formula for 5 and 6, except divide the diameter by 2 because the formula only works with the radius

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Have a good day :)

Answer:

1. 31.4m

2. 26ft

3. 25.12 cm

4. 50.24 in

5. 15.71 meters

6. 380.13 inches

7. 7.5meters

8. 47.1 feet

Step-by-step explanation:

to find the circumference you do 2 x 3.14 x radius

to find the area you do radius squared x 3.14