1st :The angle of depression 30° = the angle of elevation (from the truck to the height of the building.
2nd :
cos 30° = (adjacent side)/(hypotenuse)
cos 30° = x/100, but cos 30°= (√3)/2
(√3)/2 = x/100 and x = (100√3)/2
and x = (50.√3) = 86.60 m
Answer:
Awe she is so cute!!!!!!! She looks like a Brown lab and a poodle mix. I WISH I COULD HAVE HER!
Step-by-step explanation:
10×4,000=40,000 because all u do is add an extra zero everything you multiple something by ten
