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Flura [38]
2 years ago
13

An exterior angle of a triangle is 140 degrees. If the non-adjacent angles are congruent, then what are the measures of all of t

he interior angles of the triangle?
60 degrees, 60 degrees, 60 degrees

70 degrees, 70 degrees, 40 degrees

60 degrees, 60 degrees, 40 degrees

100 degrees, 40 degrees, 40 degrees
Mathematics
1 answer:
Tcecarenko [31]2 years ago
8 0
Short Answer B
Remark

The non adjacent angles add up to the given exterior angle.

Equation
The two non adjacent angles are equal and add up to the exterior angle.
Let one of the non adjacent interior angles = x
x + x = 140
2x = 140     Divide by 2
x = 140/2
x = 70

Comment
So the next step is to find the third angle
70 + 70 + x = 180 Combine like terms.
140 + x = 180        Subtract 140 from both sides.
x = 180 - 140
x = 40

Conclusion
The angles = 40 + 70 + 70 

Answer
B <<<< 

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quester [9]

Answer:

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±5√2/4

5 0
3 years ago
Please help asap 25 pts
allsm [11]

Answer:

There is no single answer to this question other than The first graph on the left is the answer. But you should read the explanation and memorize it.

Step-by-step explanation:

It's the first graph on the right. The points are always plotted (without exception) as (x value which means go along the x axis horizontally - left or right.), (y value which means to up (for a plus y) or down for a minus y. These facts are just memorized.

Summary

(x,y)

  • x goes either left or right.
  • x>0 goes right.  
  • x<0 goes left.
  • y goes up or down
  • y > 0 goes up
  • y < 0 goes down

Locations

First point (Please label this as first point)  - 3 (that goes left)  2 that goes up

You should be putting it in the upper left space.

Second Point. (-2,-2) that goes 2 to left and 2 down. You should put that point in the lower left space. There's only 1 point in the lower left space and that is this point.

Third Point (0,1) That's the only point on the y axis. It is above the x axis. It is all by itself on the y axis line. The other two points are done the same way. Please make sure you try them.


8 0
3 years ago
Read 2 more answers
While waiting for a bus, Todd decided to play with consecutive numbers (whole numbers that increase in order without skipping, s
Lesechka [4]

Answer:

A: 8+9+10=27

   9+10+11=30

   10+11+12=13

B: 19+20+21

C:  There isn't any.

Step-by-step explanation:

It just is lol.

4 0
3 years ago
A major stadium has 45,000 seats. If baseball fans have bought 5/8 of the seats for the next game, how many seats are available?
poizon [28]
The answer would be 28125 seats

Since 5/8 is equal to %62.5
6 0
3 years ago
Read 2 more answers
PLEASE HELP
Viefleur [7K]
7x²=9+x
so
for
0=ax²+bx+c

x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}
so

7x²=9+x
mins 9 from both sides and minus x
7x²-1x-9=0
a=7
b=-1
c=-9


x=\frac{-(-1)+/-\sqrt{(-1)^2-4(7)(-9)}}{2(7)}
x=\frac{1+/-\sqrt{(-1)^2+4(7)(9)}}{2(7)}
so the 4th one
4 0
3 years ago
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