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Tcecarenko [31]
4 years ago
15

1. All numbered streets runs parallel to each other. Both 3rd and 4th Streets are intersected by King Ave. as shown: A B AND C A

RE ALL SEPARATE QUESTIONS
(a) Suppose a car is traveling east on 4th Street and turns onto King Avenue heading northeast. What is the measure of the angle created by the car's turning? Explain your answer.


(b) Suppose a car is traveling southwest on King Avenue and turns left onto 3rd Street. What is the measure of the angle created by the car's turning? Explain your answer.

(c) Suppose a car is traveling northeast on King Avenue and turns right onto 3rd Street. What is the measure of the angle created by the car's turning? Explain your answer.

Mathematics
1 answer:
IceJOKER [234]4 years ago
6 0
(a) Sorry. I don't know the answer.
(b) The angle will be 75 degrees. It is a corresponding angle to the 75 degree angle.
(c) The angle is 105 degrees. This angle along with the 75 degree angle make a straight line, 180 - 75 = 105 degrees.
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Is rectangle EFGH the result of a dilation of rectangle ABCD with a center of dilation at the origin
trapecia [35]

Yes, because both figures are rectangles and all rectangles are similar. Option B is correct option.

According to the statement

We have given that the two rectangles EFGH and ABCD and we have show that the these rectangles Are dilation at origin or not.

So, According to the given diagram

Yes, the rectangle EFGH is a result of dilation of rectangle ABCD with a center of dilation of rectangle at the origin.

Also The scale factor of the dilation is greater than one as the image is bigger than the pre-image i.e. there is a stretch.

The scale factor could be calculated by the ratio of the sides of the image to the pre-image rectangle.

According to the diagram In Rectangle ABCD:

Its vertices have coordinates A(-3,3), B(3,3), C(3,0) and D(-3,0).

Now consider rectangle EFGH:  

Its vertices have coordinates E(-4,4), F(4,4), G(4,0) and H(-4,0).

Hence the scale factor is becomes from these values is:

EF/AB = EH/AD = FG/BC = HG/DC = 4/3.

Hence the scale factor becomes 4/3.

Also

∠A=∠B=∠C=∠D=∠E=∠F=∠G=∠H=90°

( When a shape is dilated the two shapes are similar.And similar shapes have equal interior angles , corresponding sides are proportional ).

So, Yes, because both figures are rectangles and all rectangles are similar. Option B is correct option.

Learn more about center of dilation of rectangle here brainly.com/question/17986580

#SPJ4

4 0
2 years ago
What does x equal in this problem? x/12 - 5 = -6
galben [10]

Answer:

x=-12

Step-by-step explanation:

Solve for  x by simplifying both sides of the equation, then isolating the variable.

4 0
3 years ago
A man 2 m high observes the angle of elevation to the top of a building to be 71° and the angle of depression to the bottom of t
Yuki888 [10]

Answer:

The building is 13.91 m tall

Step-by-step explanation:

The parameters given are;

Angle of elevation to the top of the building = 71°

Angle of depression to the bottom of the building = 26°

Height of the man = 2  m

Therefore, the sight of the man, the man's height, and the distance of the man from the building forms a triangle where:

The hypotenuse side = The sight of the man to the bottom of the building

Hence;

In ΔABC, A being at the eye level or head level of the man, B at the foot and C at the bottom of the building

∴ ∠A + Angle of depression to the bottom of the building = 90°

∠A = 90° - 26° = 64°

∠B = 90° and ∠C = 26° (Sum of angles in a triangle)

Tan(C) = \frac{AB}{BC}

Distance of the man from the building = BC

Tan(26) = \frac{2}{BC}

BC= \frac{2}{ Tan(26) } = 4.1 \, m

Given that the angle of elevation to the top of the building = 71°, we have;

ΔAET

Where:

A is at the head level of the man,

E is the point on the building directing facing the man and

T is the top of the building

Hence AE = BC and ∡TAE = 71°

TE + AB= The height of the building

Tan(TAE) = \dfrac{TE}{AE}\\\\Tan(71) = \dfrac{TE}{4.1}

∴ TE = tan(71°) × 4.1 = 11.91 m

Hence the height of the building = 11.91 + 2 = 13.91 m.

4 0
3 years ago
Select all the correct answers.
Alexus [3.1K]

Answer:

B.Do you have a full-time job?

Step-by-step explanation:

B because having a full time job is very important.

Hope that was helpful.Thank you!!!

7 0
4 years ago
Do it please..............h
katrin [286]

Answer:

False

Step-by-step explanation:

-x^2+x is the same as x-x^2.

Only difference is the way it's written.

8 0
3 years ago
Read 2 more answers
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