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fgiga [73]
3 years ago
12

Jack is drawing circles on a playground for a game. If he draws a circle with a radius 3 feet, what is the area of the circle, t

o the nearest square foot?
Mathematics
1 answer:
aev [14]3 years ago
7 0

Answer:

28.2743 square feet (28 square feet, rounded)

Step-by-step explanation:

The area of a circle is given by the equation

Area = πr^2

Plug in 3 for the radius

Area= π(3)^2

3 squared is 9

Area= 9 π

Area= 28.2743 square feet

Rounded to the nearest square foot, the area of the circle is 28 square feet.

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ivanzaharov [21]

Answer:

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Step-by-step explanation:

A'B' is 1/2 times the AB as the scale factor is 1/2.

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Given two vectors a⃗ = 4.60 i^+ 7.20 j^ and b⃗ = 5.10 i^− 2.70 j^ , find the scalar product of the two vectors a⃗ and b⃗ .
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A=<4.60,7.20>
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