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Sagot :
Since half of the diagonal of the square is 10, that means the whole diagonal is 20.
Area of the square = [tex]\frac{1}{2} *(20)^{2} =200[/tex]
Thus the area is 200. Hope that helps!
Solution:
Given:
- Half of diagonal: 10 units
To find the diagonal, multiply half the diagonal by 2.
- => Diagonal = 2(Half of diagonal)
- => Diagonal = 2(10) = 20 units
We also know that the sides of the square are equal. Let's use Pythagoras theorem to solve for the side length (c).
- => 20² = c² + c²
- => 400 = 2c²
- => 200 = c²
- => c = √200 = 10√2
Square the side length to obtain the area of the square.
- => (10√2)² = Area of square
- => (10√2) x (10√2) = Area of square
- => 100 x 2 = Area of square
- => 200 units² = Area of square
The area of the square is 200 units²
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