3 years ago

A circular cookie cutter has a 2.5 inch radius what is the area of a cookie cut from this cutter

1 answer:

5 0

We know that

[area of circular cookie]=pi*r²
r=2.5 in
[area of circular cookie]=pi*2.5²----> 19.63 in²

the answer is
the area of circular cookie is 19.63 in²

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Mariana [72]

In a circle, the internal vertical angles have a formula of $\frac{a + b}{2}$

In this case, the formula would be: $\frac{4x + 2x}{2} = \frac{6x}{2} = 3x$

We know that whole circle is 12x. And 12x is equal to 360°. When we put that into equation: $12x = 360$
$x = 30$

If x is 30°: $3x =3 \times 30 = 90$

So, angle 7 is 90°.