Assertion (A): A ladder leaning against a wall, stands at a horizontal distance of 6 m from the wall. If the height of the wall up to which the ladder reaches is 8 m, then the length of the ladder is 10 m.
Reason (R): The ladder makes an angle of 60° with the ground.
Solution
1
Ladder =62+82=100=10 m. Assertion (A) is true. tanθ=68=34, which is not tan60°=3. Reason (R) is false.
+1 mark
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