Prove your answer as to why 2 m, 2 m, and 4 m will or will not form a triangle. ( I NEED HELP ASAP SOON)

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.