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tekilochka [14]
3 years ago
5

How do you do this?????????????

Mathematics
2 answers:
uranmaximum [27]3 years ago
7 0
Hey there!

To find the value of an angle in a triangle, you need to add the 3 angles. You have angles with 55 degrees, 65 degrees, and x degrees. Put this into an equation. The equation would be 55+65+x=180. Simplify to get 120+x=180. You need to isolate x, so subtract 120 from both sides to get x=60. So the value of x is 60 degrees.

I hope this helps!
nordsb [41]3 years ago
4 0
Hey there! :) To find the value of "x," we have to first find the other angles. Remember that every straight line adds up to 180°! :)

This is a fairly easy question, as you simply just ignore the inside triangles, as we are already given the angles.

Look at the bottom angles of the whole triangle - all you need to do is add 55° with 65°, then subtract the answer from 180°. Why? Simply because all triangles, added up, equal 180°.

So : 55° + 65° = 120°

180° - 120° = 60°

Therefore, x = 60°

~hope I helped!~
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Part 2
ahrayia [7]

Answer:

B. 236.3

Step-by-step explanation:

Population density can be found by dividing the number of people by the area of the land.

number of people / land area

The population is 20,510 people and the area is 86.8 square miles.

20,510 people / 86.8 square miles

Divide 20,510 by 86.8

236.290323 people /square mile

Round to the nearest tenth. The 9 in the hundredth place tell us to round the 2 to a 3 in the tenth place.

236.3 people/ square mile

There are 236.3 people per square mile and B is correct.

6 0
3 years ago
I NEED THIS BADLY <br> WILL MARK BRAINLYIST
stiks02 [169]
What’s the question?
5 0
2 years ago
PLEASE HELP WILL MARK BRAINLIEST THANK YOU
slava [35]

Answer:

91 degrees

Step-by-step explanation:

they are vertical angles which means they are congruent

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2 years ago
Find the product <br> -1/2y(2y^3-8)
blondinia [14]

Answer:

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Step-by-step explanation:

3 0
2 years ago
Help with these please.
zepelin [54]
For numbers 15-17, we need to remember that two of a triangle's angles are always acute and the third angle will allow us to classify the triangle based on its angles. now that we know this, let's look at #15. the first two angles listed are acute, and the third is an obtuse angle, therefore it is an obtuse triangle. on #16 we have three acute angles, so it is an acute triangle. #17 has two acute angles and a right angle so it is a right triangle.
on numbers 21-23, we need to know that a triangle with all congruent sides is called equilateral, a triangle with two equal sides is isosceles, and a triangle with no equal sides is called scalene. #21 shows two equal sides so it is an isosceles triangle. #22 has three equal sides so it is an equilateral triangle. #23 has no equal sides so it is scalene. hope this helped! :)
7 0
3 years ago
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