Question

the length of a picture frame is 80cm and it's diagonal is 100cm ​

Answer 1

Answer:

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Answer 2

Answer:

Length of the picture frame is 80 cm

diagonal of the picture frame is 100 cm

Diagonal = √(l²+b²)

=> 100 = √ ( 80² + b²)

=> 10000 = 80² + b²

=> 10000 - 6400 = b²

=> 3600 = b²

=> b = 60 cm