Question

A mirror frame in the shape of an oval is shown below. The ends of the frame form semicircles:

Which of the following is the perimeter of the inner edge of the frame?

(π = 3.14)
A.
343.56 inches
B.
289.56 inches
C.
258.78 inches
D.
204.78 inches

Answer 1

Should be 204.78. I don’t want to explain what 2pir is but I just did it and I got the exact answer of D if I sub 3.14 for pi on my graphing calculator

Answer 2

the answer should be b. 259.56 inches because first of all remember the word perimeter that is adding all up the sides of a figures and remember the formula for the cirmuference is c=TTd and first of all you add 27+27 getting an answer of 54 so when you get that multiply 3.14 times 54 getting an answer of 169.56 and then you add 60+60 getting an answer of 120 because these sides are congruent meaning they are the same or have the same length and finally the last part is adding your answers which is 169.56 and 120 getting an answer of 289.56 so b is the correct and have a great day.

Explanation: