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The distance between the points 2 y1 and 7 8 is 13 What is a possible value of y1?
Wiki User
∙ 15y ago
You can use Pythagoras to solve this to get the co-ordinates. from Pythagoras we have
a^2 + b^2 = c^2
For this a and b will be the x and y distance and c the distance between the 2 points so we get
(7-2) ^2 + (8-y1)^2 = 13^2
So we need so solve this to get a correct solution
which is (8-y1)^2 = 144
so 8 - y1 = + or - 12
so y1 = -4 or y1 = 20
Wiki User
∙ 15y ago
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