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ra1l [238]
2 years ago
10

How can you prove the triangles congruent below given the following

Mathematics
1 answer:
Black_prince [1.1K]2 years ago
8 0

Answer:

i think is sas......i hope im not wrong

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PLEEASSSSEEEE HHEEEEELLLLPPPPPPPP !!!!!!!!!!!!!!!!!!!!!!!!!!! Circle R is shown. Line segments Q R and S R are radii. The length
Inessa [10]

Answer:

144\pi\ un^2.

Step-by-step explanation:

In the attached diagram, circle R is shown. Line segments QR and SR are radii and QR = SR = 18 units.

The measure of the central angle QRS is \dfrac{8\pi}{9}

1. Find the area of the whole circle:

A_{circle}=\pi r^2=\pi \cdot 18^2=324\pi \ un^2.

2. Note that the whole circle is determined by the full rotation angle with measure 2\pi radians. So,

\begin{array}{cc}\text{Angle}&\text{Area}\\ \\2\pi &324\pi \\ \\\dfrac{8\pi }{9}&A_{sector}\end{array}

So, write a proportion:

\dfrac{2\pi}{\frac{8\pi}{9}}=\dfrac{324\pi}{A_{sector}}

Cross multiply

2\pi \cdot A_{sector}=324\pi \cdot \dfrac{8\pi }{9}\\ \\A_{sector}=162\pi \cdot \dfrac{8}{9}=144\pi\ un^2.

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3 years ago
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Gekata [30.6K]
The order is 4.003 then 4.03 then 4.3
8 0
2 years ago
A rectangle with sides 11 cm and 9 cm has the same diagonal as a square.
pishuonlain [190]

Answer:

the length will be 9cm because a square has equal sides it not the same as the rectangle

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What is the value of five in 3156
slava [35]

Answer:

Hey there!

The five is located in the tens place, so the value would be 5(10), or 50.

Let me know if this helps :)

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Step-by-step explanation:

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