2 Answers

Mike Henry · Answer 1 · 2024-11-14T18:23:01+0000

A square millimeter is a unit of area in the Metric System. The symbol for square millimeter is mm2. A square millimeter is calculated as the area of a square that has 1 millimeter on each side. The International spelling for this unit is square millimetre.

Sandro L · Answer 2 · 2024-11-20T18:02:13+0000

Answer:

1384.74 mm²

Explanation:

We Know

Area of circle = r² · π

diameter = 42 mm

radius = 42 / 2 = 21 mm

π = 3.14

We take

21² · 3.14 = 1384.74 mm²

So, the area of the circle is 1384.74 mm²

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