Question

adjacent sides adjacent sides of a rectangle are 9 CM and 40 cm find find the length of its diagonals ​

Answer 1

Step-by-step explanation:

ABCD is rectangle

AB=9

BC=40

1. AC^2=BC^2-AB^2
2. AC^2=1600-81
3. AC^2=1519
4. AC=√1519
5. AC=7√31

diagonal is 7√31