Please help with this. I cannot figure out the units. the pi is 36pi

Mathematics

2 answers:

Temka [501]3 years ago

8 0

Answer:

113.04

Step-by-step explanation:

SQUARE the radius then multiply by pi

Snezhnost [94]3 years ago

7 0

Answer:

Area = pi X r^2

Area = pi x (6)^2

Answer is: Area = 36 x pi mm^2

(mm^2 = square mm )

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The figure shows the layout of a symmetrical pool in a water park. What is the area of this pool rounded to the tens place? Use

k0ka [10]

Answer:

$2489ft^{2}$

Step-by-step explanation:

The pool are is divided into 4 separated shapes: 2 circular sections and 2 isosceles triangles. Basically, to calculate the whole area, we need to find the area of each section. Due to its symmetry, both triangles are equal, and both circular sections are also the same, so it would be enough to calculate 1 circular section and 1 triangle, then multiply it by 2.

<h3>Area of each triangle:</h3>

From the figure, we know that <em>b = 20ft </em>and <em>h = 25ft. </em>So, the area would be:

$A_{t}=\frac{b.h}{2}=\frac{(20ft)(25ft)}{2}=250ft^{2}$