Jasten
07.05.2020 •
Mathematics
What is the side length of a square with a perimeter of 52 meters
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Ответ:
13 meters
Step-by-step explanation:
The perimeter is the sum of all the sides.
As a square has four identical sides, to calculate the length of one side you would simply divide 52 by 4,which gives you 13.
1) Divide 52 by 4.
Ответ:
13m
Step-by-step explanation:
52/4 = 13
Ответ:
The building is approximately 39 m high.
Step-by-step explanation:
As seen in the diagram attached, a triangle can be formed between the boy, the top of the building, and the lateral distance between the boy and the building.
We can now use trigonometric laws to find the distance AC between the boy's head and the top of the building.
tan 40 = AC/37.5
AC = 37.5 X tan 40 = 31.46m
We have just obtained the distance from the boy's head to the building top.
To get the true height of the building, we have to add the height of the platform the boy is standing on to the value just found.
7.5m + 31.46m = 39m