The radius of the circle is 4 cm. (The radius is half of the diameter) To find the exact circumference of a circle, you don't multiply by pi. So take off the pi, 2 x 4 = 8
Now you add the pi symbol back on, 8Ï€
You have your answer!
Answer from: Quest
honestly bro aint no one got time to answer these dumb question just do it p***y
step-by-step explanation:
Answer from: Quest
You can find the area of a rectangle by multiplying the length and height. so multiply 1/2*7/4(which is the simpler version of 1 3/4) and you get 7/8 as your answer.
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