Explanation:
I just answered this. how often did you post this ?
y is the radius.
7×sqrt(2) = sin(45)×y = y×sqrt(2)/2
y = 7×sqrt(2)/sqrt(2)/2 = 14
x = cos(45)×y
and because for 45° sine = cosine, we have
x = 7×sqrt(2)
7.8m questions
10.4m answers