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## Answers

if (x1,y1)=(5,7)

(x2,y2)=(0,0)

applying in the formula; we get

a=8.6 unit

For this, I can't give a detailed explanation, but there is a formula for finding answers to such question.

Distance = .......................(1)

Here, x1, y1 and x2, y2 are the respective co-ordinates of the given points.

So we need to find the distance between origin and 5,7

We know that origin is 0,0

So we actually need to find the distance b/w 0,0 and 5,7

Lets take x1 as 0, x2 as 5, y1 as 0 and y2 as 7.

So, using the formula (1) and solving by putting x1 as 0, x2 as 5, y1 as 0 and y2 as 7, we get distance as 8.6023 units.

All the best ! :-)