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Usimov [2.4K]
4 years ago
9

How to solve for each angle measure.

Mathematics
1 answer:
timurjin [86]4 years ago
8 0
Please consider using the Law of Cosines.
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Help me with this sum I will mark you as brainiest ​
Vika [28.1K]

Answer:

380

144

147

345

114

368

296

174

62

8 0
3 years ago
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Help me please *an image is attached*
Mashutka [201]

Answer:

its C

Step-by-step explanation:

3 0
3 years ago
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Quadrilateral ABCD is dilated by a scale factor of 1 over 3 centered around (1, 2). Which statement is true about the dilation?
Sonbull [250]

<em>Note: Since you missed to add the figure. So, after a little research I am kind of able to find the figure and hence, assuming it as a reference. Hence, I am attaching the figure and solution of that figure is also visible in the same figure.</em> Please check the attached figure (a)

Answer:

Segment B'D' will be parallel to segment BD and will be shorter than segment BD. Please see the attached figure (a) for better understanding.

Step-by-step explanation:

As we know that there are certain rules when a quadrilateral is dilated by a certain scale centered around a certain point.

So,

Let suppose P(a, b) is the point.

The dilation rule by a scale factor of 1 over 3 or (1/3) centered around (1, 2) is

P(a, b) → P(\frac{x+2}{3}, \frac{y+4}{3})

Hence,

            A(1, 2) → A'(1, 2)

            B(2, 3) → B'(4/3, 7/3)

            C(4, 2) → C'(2, 2)

             D(2, 1) → D'(4/3, 5/3)

The attached figure show that if we draw the all these points in the coordinate plan i.e. A(1, 2), B(2, 3), C(4, 2), D(2, 1) and A'(1, 2), B'(4/3, 7/3), C'(2, 2), D'(4/3, 5/3), we can determine that Segment B'D' will be parallel to segment BD and will be shorter than segment BD.

<em>Keywords: dilation, quadrilateral, segment</em>

<em> Learn more about dilation from brainly.com/question/7569824</em>

<em> #learnwithBrainly</em>

7 0
3 years ago
Which of the following best describe(s) the diagonals of a rectangle. Select all that apply.
Evgesh-ka [11]

Answer:

I believe it is congruent and intersecting

Step-by-step explanation:

6 0
4 years ago
The ratio of the number of girls to the number of boys was 4 to 5 if 1,530 students were present how many were girls and how man
vlada-n [284]

Answer:

680 girls and 850 boys

Step-by-step explanation:

the ratio of girls is 4/9

then we can find the number of girls (G) in the group of 1530 students using proportions:

4 / 9 = G / 1530

solving for G by multiplying both sides of the proportion by 1530, we get:

G = 4 * 1530 / 9 = 680

So there were:

680 girls and 1530 - 680 = 850 boys

4 0
3 years ago
Read 2 more answers
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