Question

1) ABCD is a rectangle .
Find length of diagonal AC
15 cm If CB=15,AB=20​

Answer 1

Answer:

ac =20 because sides are same. opposite

Answer 2

length of the diagonal is....

$= \sqrt{15 {}^{2} + 20 {}^{2} } \\ = \sqrt{225 + 400} \\ = \sqrt{625} \\ = 25 \: \: unit$