Question

Heyyaa....

Maths question..

A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall,find the height of the wall.

The answer should be 7.5m​

Answer 1

Heya mate,

Refer to the attachment

Answer 2

Step-by-step explanation:

given....

ladder=15m.......and forms 60°on building.

A

√ l

√ l

√ l

√____l

B. C

here ...

angle A ...=60°(attached with the wall)

BA....= 15m hypotenuse(H)

we need to find AC...that is adjacent (A)

and....cos = A/H

then...

cos 60°= A/H

1/2 = A/15

A= 1/2 × 15

A= 15/2

A= 7.5m

HOPE THIS WILL HELP U mehak......

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