Question

question is up. and it's on image format pls answer fast​

Answer 1

BD² = AD² + AB² [ Pythagoras Theorem]

BD² = 4² + 8²

BD² = 80

BD = 4√5

• The diagonals of a rectangle are congruent and bisect each other equally.

DE = BE

BD = DE + BE

2DE = 4√5

DE = 2√5

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