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What is your understanding of this question?
im not sure but i think the answer is c
Okay.. let's see if you were correct as we go along. Now, this shape has two figures: 1. A semi circle 2. A square
You need to find the perimeter of each individual shape then add them together.
What is the perimeter of the square?
Correct! Now, we can immediately eliminate C and D because the perimeter of the total figure will be GREATER than 16 since we haven't figured out the perimeter of the circle yet.
Now, remember last thread when I helped you figure out the perimeter of the semicircle? Try figuring it out :)
Remember: Circumference = 2πr or πd
@Aureyliant Since it is a semi circle she could just use the equation πr. Am I correct?
Yup! I was just about t mention that :) @taylorz115820
Tell me your explanation. What was the circumference you got for this SEMI CIRCLE?
I need help!?!?!
Why are you multiplying it by 4? You need to add the circumference of this semi circle to the perimeter of the square (16 cm)
Please don't spam @tray15
There you go basically all you need right there
Good job @Aureyliant
Something isn't right though. A normal circle's circumference is = 2πr or πd Even though this is a semi circle, the diameter will remain constant. Though the final answer is A.
What you did was right a normal circle is 2πr so if you want half of that you simply don't "need" the 2 anymore