Kylie drew a circle with a diameter of 8 cm. Paige drew a circle with a radius of 3 cm. Approximately how much larger is the are

Question

4 years ago

14

a of Kylie’s circle than the area of Paige’s circle? Use 3.14 for Pi and round to the nearest whole number.

2 answers:

Alex787 [66] · Answer 1 · 2021-11-27T17:22:05+03:00

Hello!

<h2>Answer:</h2>

$\boxed{ \bf The~area~of~Kylie's~circle~is~approximately~22~cm^2~larger~than~Paige's.}$

<h2>__________________________________________________</h2><h2>Explanation:</h2>

We'll start by calculating the areas of Kylie and Paige's circles.

Kylie's Circle:

A = πr²

Since we need the radius for the formula, we must divide the diameter in half to get it.

r = d ÷ 2

r = 8 ÷ 2

r = 4

Now, let's substitute our values into the formula.

A = 3.14 × 4²

A = 3.14 × 16

A = 50.24 cm²

Paige's Circle:

A = πr²

A = 3.14 × 3²

A = 3.14 × 9

A = 28.26 cm²

We can round both of these areas to the nearest whole number. Then, we must subtract Paige's circle area by Kylie's.

50 - 28 = 22

MrRissso [65] · Answer 2 · 2021-11-27T19:37:10+03:00

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▹ Answer

<em>Kylie's circle is approximately 22 cm larger than the area of Paige's circle.</em>

▹ Step-by-Step Explanation

Kylie's Circle - 8 cm diameter → 4 cm radius

Paige's Circle - 3 cm radius

<u>Kylie's Circle</u>

A= πr²

A = 3.14(4)²

A = 50.24 ≈ 50 cm²

<u>Paige's Circle</u>

A = πr²

A = 3.14(3)²

A = 28.26 ≈ 28 cm²

50 - 28 = 22 cm

Hope this helps!

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