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I am Lyosha [343]
3 years ago
10

Find the length of BC. 10CM 60 DEGREES

Mathematics
1 answer:
kenny6666 [7]3 years ago
8 0
It's A I'm only doing this so I could ask a question sorry just guess
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In the graphic below,
sukhopar [10]

The external angle is suplementary to the internal angle close to it. We also know that the sum of all the internal angles of the triangle are equal to 180 degrees, this means that the angle "a" is suplementary to the sum of the angles "b" and "c". Through this logic, we can conclude that since:

\begin{gathered} \angle d=180-\angle a \\ \angle b+\angle c=180-\angle a \end{gathered}

Then we can conclude that:

\angle d=\angle b+\angle c

Therefore the statement is true, the exterior angle is equal to the sum of its remote interior angles.

Let's use an example:

On this example, the external angle is 120 degrees, therefore the sum of the remote interior angles must also be equal to that. Let's try:

x=75+45=120

The sum of the remote interior angles is equal to the external angle.

6 0
11 months ago
State a true conclusion.
VLD [36.1K]

我想这是选项 1...因为六月是在夏天

希望有帮助:)

3 0
2 years ago
Which is the best estimate of the time Laura spent riding her bike on Saturday and Sunday? Look at the picture ^-^ Thank you!
anzhelika [568]
Answer B Because the total comes out as 7  7/8
8 0
3 years ago
Read 2 more answers
a cylindrical vase has a diameter of 6 inches at the bottom of the vase there are 9 marbles each of diameter 3 inches the vase i
KiRa [710]

Answer:

<h2>The volume of water in the vase is 339.33 in^3</h2>

Step-by-step explanation:

To calculate the volume of water in the vase we need the following parameters

1. the diameter/radius of the vase

2. the height /level of water in the vase

Given data

diameter d= 6 in

radius = d/2= 6/2 = 3 in

height of water h= 12 in

we know that the expression for the volume of a cylinder is given as

volume=  \pi r^2h

Inserting our data we have

volume= 3.142*3^2*12\\\volume= 3.142*9*12\\\volume= 339.33 in^3

3 0
3 years ago
Find the value of y when x = 10, if y = 35 when x = 7.
olga55 [171]

Set up a proportion:

y = 35 when x = 7

y = ? when x = 10

To get x from 7 to 10, you have to multiply by \frac{10}{7}. Therefore, you do the same to 35, and you get:

35 \times \frac{10}{7} = 50

And your answer is 50 :)

8 0
3 years ago
Read 2 more answers
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