A polygon with 12 sides is called a/an a. dodecagon. b. pentagon. c. undecagon.
2 answers:
You might be interested in
Answer:
The perimeter is
Step-by-step explanation:
we know that
The perimeter of the figure is equal to the circumference of a semicircle
plus the perimeter of a square minus the diameter of the circle
so
we have
The diameter of the circle is equal to the length side of the square
substitute
let's firstly convert the mixed fractions to improper fractions and then proceed.