A ladder rests against a wall that is perpendicular to the ground. If the bottom of the ladder is 4m away from the bottom of the wall, while the top of the ladder is at a height of 3m. What is the length of the ladder?

A ladder rests against a wall that is perpendicular to the ground. If the bottom of the ladder is 4m away from the bottom of the wall, while the top of the ladder is at a height of 3m. What is the length of the ladder?

A 7m

B 35m

C 5m

D 25m

Solution

Correct Answer: Option C

মইয়ের দৈর্ঘ্য = √(3² + 4²) = 5m