The area of the pentagon, rounded to the nearest tenth will be 32.7 square cm. Then the correct option is C.
<h3>What is a polygon?</h3>
The polygon is a 2D geometry that has a finite number of sides. And all the sides of the polygon are straight lines connected to each other side by side.
A regular pentagon has an apothem measuring 3 cm and a perimeter of 21.8 cm.
Then the side length of the pentagon will be
5 x Side length = 21.8 cm
Side length = 4.36 cm
Then the area of the pentagon, rounded to the nearest tenth will be
Area of pentagon = 5 x area of triangle
Area of pentagon = 5 x 1/2 x 4.36 x 3
Area of pentagon = 32.7 square cm
Thus, the correct option is C.
More about the polygon link is given below.
brainly.com/question/17756657
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Answer:
52°
Step-by-step explanation:
The angle 38° and m∠1 equal 90°, so 90-38=52.
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Answer:
46/3 or 15.3
Step-by-step explanation:
After rounding to the nearest integer, we have:
3(x - 7) = 25.
Dividing both sides by 3, to isolate (x - 7), we get x - 7 = 25/3.
Adding 7 to both sides, we get x = 25/3 + 7, or x = 25/3 + 21/3, or x = 46/3. This is 15 1/3, which is closest to the last given possible answer (15.3).
