Let the height of the tree be x and use trigonometry and the tangent ratio:
x/800 = 135/45
x = 2400 cm = 24 m
25 feet tall
36.0 feet
Measure the tree with the meter stick.
6 feet
An answer to this question requires information about the position of the sun when the shadow is measured. Shadows always appear shorter when the sun is high in the sky
To cast a 19 foot shadow the building would have to be 26.91 feet tall. Each foot of building/tree casts 8.47 inches of shadow.
25 feet tall
36.0 feet
The tree is 36.0 feet tall using the tangent ratio.
Measure the tree with the meter stick.
Not enough information has been given to solve this problem such as: What is the angle of elevation?
6 feet
488 cm
A 1 foot shadow I think.
It is 90 feet in height
39
The ratios are in the same proportion, so all you need to really figure out is what is in the same ratio to 20 as 6 is to 4.