Question

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Answer 1

Answer:

64$\pi$ mm² or approximately 201.06 mm²

Step-by-step explanation:

If the diameter is 16 mm, the radius will be 8 mm.

Use the circle area formula, A = $\pi$r², where r is the radius. Plug in 8 as r:

A = $\pi$r²

A = $\pi$(8²)

A = 64$\pi$

So, the area of the circle is 64$\pi$ mm² or approximately 201.06 mm²

Answer 2

Question:-

If the diameter of the circle above is 16 mm, what is the area of the circle ?

Solution:-

Diameter of the circle = 16 mm. (Given)

Radius (r) of the circle = 16/2 = 8 mm.

$\bigstar$ To Find the area of the circle.

Since we know,

$\dag$ Area of circle is πr².

So, Area of the circle = 3.14 × (8)²

Area of the circle = 3.14 × 8 × 8

Area of the circle = 200.96 = 201 mm².

The area of the circle is 201 mm². [Answer]