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Naily [24]
3 years ago
7

A ladder is 8 metres long . It leans against a wall with one end on the

Mathematics
1 answer:
krek1111 [17]3 years ago
5 0

Answer:

b=2√7 ≈ 5.29 meters

Step-by-step explanation:

think of it like a right triangle like in the picture with 8metre ladder as the hypotenuse

a²+b²=c²

6²+b² =8²

b²= 8²-6²=28

b=√28 =2√7 ≈ 5.29 meters

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