Question

10) The slope of a ladder making an angle 30°
with the floor is ( )
A)1 B)1√3
c) √3 D)1/2​

Answer 1

Answer:

Option C is correct...

10) The slope of a ladder making an angle 30°

with the floor is ( )

A)1

B)1√3

C) √3

D)1/2

Answer 2

option B is correct

correct question

The slope of a ladder making an angle 30°

with the floor is

A)1

B) -1/√3

c) √3

D)1/2

Given

• angle 30°
• with the floor

To find

• the slope of the ladder

solution

we are given with the angle that the ladder is making with the floor and are asked to determine the slope of the ladder when placed in such a condition.

we know that slope could be determined by taking the tan of the angle between the ladder and the floor. The angle should be measured in anti clockwise direction as it is the standard method of determining the angle.

from the given figure it could be understood that we are provided with the angle on other side of the ladder that's we have to find the angle which is subtended by the ladder and positive x direction.

angle = 180 - 30

or, 150 degree.

tan 150 = -1/√3

therefore, the option B is correct.

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