Question

find the length of the ladder making an angle of 45° with the ground and whose foot is 7 m away
from the wall.​

Answer 1

Answer:

here is the answer

using trignometrical equation

cos theta =base/hypotenuse

then

cos45°=7/hypotenuse (hypo.=length of ladder)

then

1/√2=7/length of ladder

length of ladder is 7√2

ok

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Answer 2

Answer:

7root2m

Step-by-step explanation:

1/toot2=7/hypotenuse

hypotenuse =7root2