8.61 to the nearest tenth is 8.6

- the number of green blocks which is equal to the number of favourable events

- the number of all blocks, which is equal to the number of all possible outcomes
Tan is the right answer
hope it helps you ❣❣
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M>B = 65 so arc AC = 2(65) = 130
arc ABC = 360 - 130 = 230
m<D = 1/2(230 - 130)
m<D = 1/2(100) = 50
answer
m<D = 50 first choice