A ladder is placed along a wall such that its upper end is touching the wall at 4m high. The length
of the ladder is 5m. Then the foot of the ladder is .......... m away from the ground.
(A) 3 (B) 4 (C) 5 (D) 6
Read the question carefully and than answer..
Answers
Answered by
1
Answer:
a) I think that I answer
Answered by
0
Answer:
(B) 3
Step-by-step explanation:
In right triangle ABC
AB=4cm
AC=5cm
BC=?
AC^2=AB^2+ BC^2
5^2=4^2+BC^2
25=16+BC^2
25-16=BC^2
9=BC^2
BC=√9
BC=3
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