New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A ladder leans against a wall. The foot of the ladder is

    6 meters away from the wall. If the angle the ladder makes with the ground is 60°, find the length of the ladder.
    A 6√3 meters Correct Answer Incorrect Answer
    B 12 meters Correct Answer Incorrect Answer
    C 6 meters Correct Answer Incorrect Answer
    D 6 meters Correct Answer Incorrect Answer

    Solution

    Using the cos function: cos(60°) = adjacent / hypotenuse. 1/2 = 6 / length of ladder. Length of ladder = 12 meters. Correct answer: b

    Practice Next