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Reptile [31]
3 years ago
15

Can you conclude the triangles ate congruent? justify​

Mathematics
1 answer:
allochka39001 [22]3 years ago
7 0
Yes because two angles are given equal, there’s a 90° formed in them making the last unknown angle equal as well. the hash marks justifies that two of the lines are equal, they share a line making that equal, which means the last unknown measurement is equal.
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20. Joe is standing on top of Marina Towers looking at the Leo Burnett World Headquarters building across the Chicago River. It
Scilla [17]

The height of the Burnett building to the nearest foot be is 444 feet

<h3 /><h3 /><h3>What is angle of elevation and depression?</h3>

The angle from the horizontal to a point or the line of sight is measured with angles of elevation and depression.

when the points is high above the line of sight we have angle of elevation however when the line of sight is below the horizontal we have angle of depression

<u>Given data</u>

distance between the two buildings ( horizontal ) = 880 feet

angle of elevation = 8 degrees

angle of depression = 20 degrees

applying Trigonometry relations

for angle of elevation

tan 8 = h1 / 880

h1 = 123.676 feet

for angle of depression

tan 20 = h2 / 880

h2 = =880 * tan 20

h2 = 320.294

let the height of the Burnett building to the nearest foot be h

h = h1 + h2

h = 123.676 + 320.294

h = 443.97

h = 444 feet

Read more on angle of elevation and depression here: brainly.com/question/15580615

#SPJ1

5 0
2 years ago
Julio bought several books from the Coming-Around-Again Bookstore. He paid $31.80, including 6% sales tax. He then discovered th
ladessa [460]
C is the answer all you had to do was
31.80-4.00
Which is 27.80
Then add 2.50
Which is 30.3!
5 0
3 years ago
Please help me with number 9-10
Finger [1]
(10). 423,,,,,,,,,,4.10=40.. Hopefully that's help u
7 0
3 years ago
How to solve this question
cupoosta [38]
8.83176088663 is the answer
7 0
3 years ago
7,080,267 written in expanded form
Alex787 [66]
If you know the definition of expand (to increase or make bigger)
then this will be easy.

when ever it asks for expanded for that means your answer has to be bigger than the number your given.

for your question:
 you have 7,080,267

so u first do the biggest value which is the first 7 on the left.
and then work your way down to the smallest which would be 7 on the right.

7000000
000000
80000
0000
200
60
7
that is the numbers expanded

but now u have to write it in the fom so you just add a + after each number

7000000+000000+80000+0000+200+60+7
you can shorten it by removing the numbers with no value:
7000000+80000+200+60+7

6 0
4 years ago
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