given a segment of unit length, construct a segment of length square root of 7.
Draw line and mark 1 unit length AB on it.
Draw a perpendicular of 1 unit at B. Join AC. Now we will use the
Pythagorean theorem to find AC
AC2 = BC2 + AB2
= 1 + 1
= 2
AC = √2 units
This is the representation of the square root of 2.
Now again at point C, we will draw a perpendicular CD of 1 unit length and then join DA.
We will again Pythagorean theorem to find AD.
AD2 = AC2 + CD2
= (√2)² + 1²
= 2 +1
= 3
AD = √3 units
This is the representation of square root of 3.
Now we will repeat the same thing by drawing a perpendicular DE of
1 unit length.
So. EA² = DA² + DE²
EA² = 3 + 1
EA = √4 units = 2 units ( This is representation of sqaure root of 4)
Now again we draw a perpendicular EF and find FA as √5 units using the same method.
FA² = AE² + FE² = 4 + 1
FA = √5 units
Following the same, we get FG as √6 unit.
Finally, we draw a perpendicular GH of 1 unit and find HA following
the same method.
HA² = GA² + HG²
HA² = (√6)² + 1²
HA² = 7
HA = √7 units
And this represents the square root of seven.
given a segment of unit length, construct a segment of length square root of 7.
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