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shay7298
05.10.2020 •
Mathematics
a flag pole that is 10 m talk casts a shadow that is 6 m long. what is the distance from the top of the pole to the end of the shadow
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Ответ:
11.66 meters
Step-by-step explanation:
First draw a diagram. See attachment.
We notice that if we draw everything out, we get a right triangle.
The flag pole and its shadow are the two legs, with lengths 10 and 6 meters. We want to find the distance from the top of the pole to the end of the shadow, so we need to use the Pythagorean Theorem, which states that for a right triangle with legs a and b and hypotenuse c:
a² + b² = c²
Here, a = 10 and b = 6, and we want to find c:
a² + b² = c²
10² + 6² = c²
100 + 36 = c²
136 = c²
c = √136 = 2√34 ≈ 11.66 meters
~ an aesthetics lover
Ответ:
area of base =![\pi r^2](/tpl/images/1179/6211/8463b.png)
where 'r' is the radius
Step-by-step explanation:
Volume of the cylinder formula =![\pi r^2h](/tpl/images/1179/6211/b8c9e.png)
volume of cylinder = area of base * height
The base of a cylinder is a circle. so we use the area of circle for the base of cylinder while finding volume
We know area of the circle is![\pi r^2](/tpl/images/1179/6211/8463b.png)
So area of the base of cylinder is![\pi r^2](/tpl/images/1179/6211/8463b.png)
To find volume of the cylinder , we multiply the base of the cylinder with height
To determine the base of the cylinder we need radius of the cylinder
area of base =![\pi r^2](/tpl/images/1179/6211/8463b.png)
where 'r' is the radius