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The shadow of a tree 34m long is 40m what will be the shadow of abuilding 56m height at the similar situation?
Wiki User
∙ 14y ago
by direct prop
34m 40m
56m x m
34/40=56/x
cross multiplication
34x=40*56
x = 40*56/34
x=65.88m
Wiki User
∙ 14y ago
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I have no idea how to go about this question on my geometry homework! Can someone help me?
The two triangles shown are similar triangles. Numerically, the ratio computed by dividing the length of any side of tower triangle by the length of the corresponding side of the walking stick (similar) triangle will be the same value. Therefore, when the length of the tower shadow is divided by the length of the walking stick shadow, that ratio will be the exactly same as the tower height divided by the walking stick height. (length of tower shadow)/(length of walking stick shadow) = (tower's height)/(walking stick height) tower's height = {(length of tower shadow)/(length of walking stick shadow)}*(walking stick height)
When is our height shorter to our shadow?
When the sun is low down, the shadow is longer. If the sun is high up the shadow is shorter.
What is the height of a building that cast a 105' shadow when a 6' man casts a 14' shadow?
Height of building/105 = 6/14 Multiply both sides by 105: Height = 630/14 Height = 45 feet
How can you calculate height of a pyramid by measuring the length of its shadow?
By means of trigonometry if you know the angle of elevation or by comparing it with a nearby object if you know its height and shadow length.
What will be the height of the shadow cast by a person standing near a 20 ft light post.The height of the person is 6 ftThe distance between man and pole is 10 ft?
It is zero: 0cm; 0mm A shadow has no height: length yes, but height no
I have no idea how to go about this question on my geometry homework! Can someone help me?
The two triangles shown are similar triangles. Numerically, the ratio computed by dividing the length of any side of tower triangle by the length of the corresponding side of the walking stick (similar) triangle will be the same value. Therefore, when the length of the tower shadow is divided by the length of the walking stick shadow, that ratio will be the exactly same as the tower height divided by the walking stick height. (length of tower shadow)/(length of walking stick shadow) = (tower's height)/(walking stick height) tower's height = {(length of tower shadow)/(length of walking stick shadow)}*(walking stick height)
Describe three factors that determine the size of a shadow and explain how each one cam make the shadow larger or smaller?
The height of the object casting the shadow, the height of the sun in the sky, what angle you are at when looking at the shadow.
Is your shadow always the same height?
NO.
What is the Height of Shadow the hedgehog?
3'6"
When is our height shorter to our shadow?
When the sun is low down, the shadow is longer. If the sun is high up the shadow is shorter.
What is the height of a building that cast a 105' shadow when a 6' man casts a 14' shadow?
Height of building/105 = 6/14 Multiply both sides by 105: Height = 630/14 Height = 45 feet
How can you calculate height of a pyramid by measuring the length of its shadow?
By means of trigonometry if you know the angle of elevation or by comparing it with a nearby object if you know its height and shadow length.
Candace wants to find the height of a local lighthouse Since she knows something about similar triangles she decides to stand in a location where the tip of her shadow and the tip of the lighthouse?
21.6 meters
An office building 55ft tall casts a shadow 30ft long How tall is a person standing nearby who casts a shadow of 3 ft long?
From the given information, we see that the building and its shadow form a right triangle with base 30 ft and height 55 ft.Also, the person and his/her shadow form another similar triangle with base 3 ft and height x ft.Since both triangles are similar, we have:x/55 = 3/30 orx/55 = 1/10 cross multiply10x = 55 divide by 10 to both sidesx = 5.5Thus the person is 5.5 inches tall.
What will be the height of the shadow cast by a person standing near a 20 ft light post.The height of the person is 6 ftThe distance between man and pole is 10 ft?
It is zero: 0cm; 0mm A shadow has no height: length yes, but height no
What is the height in feet of a flagpole which casts a 6-foot shadow when a 6-foot man cast a 3-foot shadow?
Using trigonometry its height is 12 feet
A yard stick casts a shadow that is 24in longA street sign at the same time cast a shadow that is 72in longwhat is the height of the street sign?
3 yards in height
