4 years ago

What is the value of i^20+1?

Mathematics

2 answers:

Sidana [21]4 years ago

6 0

Answer:

The answer is D!!!!!!!!!!!!

Step-by-step explanation:

Oksana_A [137]4 years ago

5 0

I^20+1
i= /2
i^2= -1
i^3= -i
i^4= 1
for every four it repeat itself.
4, 8, 12, 16, 20.
therefore i^20=1
1+1=2

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Rudik [331]

Answer:

the area is 50.24 $cm^{2}$ .

Step-by-step explanation:

The formula to find area of a circle is A=π $r^{2}$ . A is area, and r is for radius. Since we have the diameter here, we just need to divide by 2 to find the radius. 8÷2=4, so there, the radius is 4. Now we need to square 4, and do 4x4, which equals 16. Now to multiply 16 by π, or 3.14. 16 x 3.14 = 50.24. The final answer is 50.24 $cm^{2}$ . Hope this helped! :]