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The stained glass window shown is a half circle. What is the perimeter of the window? Use 3.14 for PI. Show your work.
(please help me!)​

The stained glass window shown is a half circle What is the perimeter of the window Use 3 14 for PI Show your work please

Answer :

Final answer:

The perimeter of a half-circle stained glass window can be found by adding the lengths of the curved part (half of the circle's circumference, powered by Pi, factored by the radius) and the straight part (the diameter of the circle). Therefore, the formula for the perimeter of a half-circle is P=πr + 2r.

Explanation:

To compute the perimeter of the stained glass window, we need to consider the window as having one straight edge (the base of the half-circle) and one curved edge (the circumference of the half-circle).

First, we find the curved edge, which is half of the circumference of a circle. The formula for the entire circumference is 2πr. So, for half, it's simply πr. Since we're using 3.14 for pi, the curved edge equals 3.14*r.

Next, the straight edge length is the same as the diameter of the full circle, which is 2r.

The total perimeter is the sum of these two parts - curved and straight edge. So, the perimeter's formula would be [tex]P = \pi r + 2r[/tex]

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