1/2 * 1 * (1 + 1) = 1
1/2 * 2 * (2 + 1) = 3
1/2 * 3 * (3 + 1) = 6
1/2 * 4 * (4 + 1) = 10
Best answer me please!
It could be 5x, 5 being the digit, x being "a number"
Z would mean 0 considering they would both be the last
Answer:
28.86338
Step-by-step explanation:
find the area of the whole circle and then divide by 3, since the shaded part is about 1/3 of the whole cricle.