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dlinn [17]
3 years ago
12

How do I solve this? I'm so confused on what I'm doing

Mathematics
1 answer:
MakcuM [25]3 years ago
8 0
This is a square means ithas all sides equal
Let say side is x
And diagonal length is given 5
U know something is called pythagorean thoeram
Which says relationship between sides of a right triangle
Square has right triangle each side
So hypotenuse^2=lenghth^2+base^2
Here hypotenuse is diagonal which is given 5
So 5^2=x^2+x^2
25=2x^2
x^2=12.5
x=√12.5=2.5√2
Answer is A
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