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brilliants [131]
3 years ago
11

triangle DEF is a dilation of triangle ABC with scale factor 2. In triangle ABC, the largest angle measures 82°. What is the lar

gest angle measure in triangle DEF
Mathematics
1 answer:
Akimi4 [234]3 years ago
4 0

Answer:

The largest angle measure in triangle DEF = 82°  

Explanation:

A dilation is a transformation that produces an image that is the same shape as the original, but is a different size.

So, the shape of the triangles ABC and DEF are the same.

Sine the shape is similar the angle of the dilated triangle and considered triangle are the same.

The largest angle measure in triangle DEF = The largest angle measure in triangle ABC

  The largest angle measure in triangle DEF = 82°      

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ASAP: I need as soon as possible with this question I have taken a picture of. If you could tell me how to do it and the answer,
VladimirAG [237]

Answer:

The answer to your question is h = 125.85 ft = 126 ft

Step-by-step explanation:

Process

1.- Determine two equations to solve the problem

    tan 14 = \frac{h}{x}                     (1)

    tan 47 = \frac{h}{x - 386}           (2)

    from (1)                           h = xtan14

    substitute in (2)             tan 47 = \frac{xtan14}{x - 386}

    solve for x                     tan47(x - 386) = xtan14

                                          1.07x - 413.9 = 0.25x

                                          1.07x - 0.25x = 413.9

                                           0.82x = 413.9

                                           x = 413.9/0.82

                                           x = 504.76 ft

2.- Calculate h

                                          h = 504.76 tan 14

                                          h = 125.85 ft = 126 ft

4 0
3 years ago
Bruh I’m so confused on how to do this
Dmitrij [34]

Rotation doesn't matter for this question... <em>The dilation is key... you made each side of the triangle 4 times bigger</em>

<h3>Answer:</h3>

A. False:

Area= \frac12 \times base \times height .... if the base is 4 times bigger and the height is 4 times bigger .... <em>the area will be </em><em>16</em><em> times bigger</em>

B. True  .... you just add all sides, each is 4 times bigger

C. False ... by definition of dilation, the sides grew

D. True... Size changed, but the shape stayed the same (so, did the angles)

3 0
3 years ago
The number of students at maritas school decreased to 98 percent of last years number. Currently, there are 1,170 students. How
Salsk061 [2.6K]
1055 students were in the school last year
8 0
3 years ago
60% of 10 help me ///////////
balu736 [363]
So 60% = 3/5 
All you do is 3/5 x 10 = 30/5 and get 6
6 0
3 years ago
Read 2 more answers
For each value of w, determine whether it is a solution to 4w+9&gt;-19.<br> Is it a solution?
Angelina_Jolie [31]

Answer:

1. Yes

2. Yes

3. No

4. No

Step-by-step explanation:

4(-2) +9>-19 Multiply 4 and -2

-8+9>-19 Add -8 and 9

1 > -19 1 is greater than -19

4(5) +9>-19

20+9>-19

29>-19 29 is greater than -19

4(-10) +9>-19

-40+8>-19

-32>-19 -32 is not greater than -19

4(-7) +9>-19

-28+9>-19

-19>-19 -19 is not greater than -19

3 0
3 years ago
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