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Prove: the diagonals of a rectangle are equal

Prove: the diagonals of a rectangle are equal-example-1
User Gearhead
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AB=(a;0)-(0;0)=a
AD= (0;b)-(0;0)=b
BC=AD
AB=DC
that means its a square. Using Pythagorean theorem
DB^2=AD^2+AB^2 ; AC^2=AB^2+BC^2
and DB^2 and AC^2 are equal
User Jnr
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4 votes

Answer:

Answer

Explanation:

Trust me this is the answer

Prove: the diagonals of a rectangle are equal-example-1
User Alfcope
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6.0k points