emmaaa6iwi2ie emmaaa6iwi2ie

14-03-2021
Mathematics

contestada

a girl 2.2m tall observes that the angle of elevation of the top of a building 16m away from her is 45° find the height of the building

Respuesta :

reeserl reeserl

14-03-2021

Answer:

18.2 m = height of the building

Step-by-step explanation:

Let x = the distance from the top of the girl's head to the top of the building

tan 45 = x/16

x = 16 tan 45

x = 16 m

16 + 2.2 = 18.2 m = height of the building

Answer Link

Otras preguntas

4gal 2qt - 3gal 3qt= I need help with this one, it's just subtracting as is. Thank you

Use the image below to answer the following question. Find the value of sin x° and cos y°. What relationship do the ratios of sin x° and cos y° share? A right t

help me solve this please help I will gave u brilliant answer

What challenges did the decline of his father's health create for Dr. Winakur?

One atom of lithium, Li, reacts with fluorine, F, to produce lithium fluoride, LiF2. The atomic mass of lithium is 7 amu. The mass of one atom of lithium fluori

It is important to be good than to be great "Explain the meaning of this statement in a paragraph.

which set of coordinates will provide the vertices for 90 degree clockwise rotation of ABC around point C?

Multiply 2/3 • 5/8 simplify your answer , if possible

Herodotus is considered the father of history for all of the following reasons, except: a. He championed the practice of oral history, c. He wrote the history o

7. What would happen if a ring of the bark is removed from a tree? Explain.