Answer: its 21
Step-by-step explanation:
just did it
Answer:
235 sq. cm
Step-by-step explanation:
Split into three different shapes
18*3=54
15*6=90
13*7=91
54+90+91=235
The perimeter of the semicircle is 19π cm if the diameter of the circle is 38 cm.
<h3>What is a circle?</h3>
It is described as a set of points, where each point is at the same distance from a fixed point (called the centre of a circle)
We have a circle with diameter of 38 cm.
Diameter = 38 cm
The radius of the circle = 38/2 = 19 cm
Perimeter of the circle = 2πr = 2π(19) = 38π cm
Perimeter of the semicircle = 38π/2 = 19π cm
Thus, the perimeter of the semicircle is 19π cm if the diameter of the circle is 38 cm.
Learn more about circle here:
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0.66666666666 or 0.6 with a little line over the 6 also known as 0.6 repeating
The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances
