Observe the above figure and answer the question.
The length of AC is:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 10 cm
AC is the hypotenuse of the right triangle ADC, whose right angle is at D, so Pythagoras’ theorem gives it from AD and DC.

\(AC^2=AD^2+DC^2=6^2+8^2=36+64=100\)
So the diagonal \(AC=10\) cm