Question

Lower end of 13 m long
staircase is 12 m away from
wall. Upper end of the staircase
will touch the wall at
height.*
O 5m
O 25 m
O 169 m
O 28 m​

Answer 1

Answer:

5m

Step-by-step explanation:

You can use pythagoreas theroem

13²-12²=x²

x=√25

x=5

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