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katovenus [111]
3 years ago
15

How many inches is each slice of pizza?

Mathematics
2 answers:
Furkat [3]3 years ago
5 0
We would first have to find the area of pizza(πr^2),then devide it by ten,which would make the equation:

[π(18÷2)^2]÷10
=(9^2π)÷10
=81π÷10
=8.1π inch^2

Thus the answer is 8.1π.

Hope it helps!
mariarad [96]3 years ago
4 0

Hey!


First, let's find the area. The formula for finding area of a circle is: π · r²


Radius is ½ of the diameter. Divide the diameter by 2 to get the radius.


d = 18

18 ÷ 2 = 9


r = 9

r² = 9 × 9 = 81


The area of the whole pizza is 81π. There are 10 slices. Divide the area of the whole pizza by 10 to find the area of 1 slice.


81π ÷ 10 = 8.1π


<em>That means each slice is 8.1π inches²</em>

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Answer:

The generalisation she can make from her work is that the other two angles of the quadrilateral are supplementary i.e their sum is 180°

Step-by-step explanation:

We are given the following from what she knows

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Answer:

segment FE over segment XY equals segment EG over segment YZ equals segment GF over segment ZX

Step-by-step explanation:

see the attached figure to better understand the problem  

we know that  

If m∠E = m∠Y and m∠F = m∠X  

then  

Triangles EFG and YXZ are similar by AA Similarity Theorem  

Remember that  

If two figures are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent  

In this problem  

The corresponding sides are  

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EG and YZ  

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segment FE over segment XY equals segment EG over segment YZ equals segment GF over segment ZX Firstly , let us learn about trigonometry in mathematics.  

Suppose the ΔABC is a right triangle and ∠A is 90°.  

sin ∠A = opposite / hypotenuse

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A similar triangle has the same angle, in other words the triangle has the same shape but different sizes.  

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ΔFG is similar to ΔYXZ.  

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