Find the area of the circle.
R=3ft

18.84 ft
113.04 ft
9.42 ft
28.26 ft
7.07 ft?

28.26 ft²

Step-by-step explanation:

The equation for the area of a circle is:

A = πr²

Plug in 3 for r:

A = π(3²) = 9π ≈ 28.27

The answer says 28.26, but it should be rounded to 28.27. I recommend pointing this out to your teacher!  

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

happy to

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step-by-step explanation: