Question

the length of a rectangle is 4 cm and each of its diagonal is 5 cm. find its breadth. ​

Answer 1

Answer:

4×5=20is the answer of the rectangle

Answer 2

Answer:

find the answer using pythagoras theorem

name the rectangle as ABCD ,and the diagnol will  be AC

[AB]²+[BC]²=[AC]²

[4]²+[BC]²=[5]²

16+[BC]²=25

[BC]²=25-16

[BC]²=9

BC=√9

BC=3

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