Which expression gives the surface area of a sphere with radius r? A. 4 pi r^2
В. 4 pi r^3
C. 4/3 pi r^2
D. 4/3 pi r^3​

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step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

536

step-by-step explanation:

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.

answer is  

minor arc – sw

major arc – stu

semicircle – wst

i got it down chief.