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# bit confused watch

1. In this video, https://www.youtube.com/watch?v=2ueUrKU5fjs (only a min long)

at about 0:54, examsolutions subtracts 2 from 7 to find the height why does he do this? Wouldn't the height just be 7?
2. (Original post by animemaniac132)
In this video, https://www.youtube.com/watch?v=2ueUrKU5fjs (only a min long)

at about 0:54, examsolutions subtracts 2 from 7 to find the height why does he do this? Wouldn't the height just be 7?

Since the height is just the horizontal length between the midpoint of BC and A then (because those points lie on the same horizontal line) the height is given by the difference in the x-coordiantes, so 7-2 = 5
3. (Original post by Zacken)

Since the height is just the horizontal length between the midpoint of BC and A then (because those points lie on the same horizontal line) the height is given by the difference in the x-coordiantes, so 7-2 = 5
I think they have because I read the same thread over an hour ago XP
4. (Original post by ravioliyears)
I think they have because I read the same thread over an hour ago XP

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