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ivann1987 [24]
3 years ago
12

What is the measure of each exterior angle of a regular triangle

Mathematics
2 answers:
Sophie [7]3 years ago
5 0

Answer:Each pair of interior angle and the exterior angle

So the exterior angle = 360° - the interior angle.

Makovka662 [10]3 years ago
4 0

Answer:

So, for an equilateral triangle we have 360/3 = 120 degrees as the exterior angle, and 180-120 = 60 degrees as the interior angle. For a square, you get 360/4 = 90 degrees as the exterior angle and 180-90 = 90 degrees as the interior angle.

Step-by-step explanation:

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Meow help me pls :(((
pentagon [3]

Answer:

a) 3x-5=16

b) 30cm

Step-by-step explanation:

a) 5(x-1)=2(x+8)

   5x-5=2x+16

   5x-2x-5=16

      3x-5=16

b) solving the equation gives x=7

put x=7 into first line, 5(7-1)=30cm

to check we can place it into second one as well

2(7+8)=30cm

   

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3 years ago
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8 0
2 years ago
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Susan is buying three different colors of tiles for her kitchen floor. She is buying 25 more red tiles than beige tiles, and thr
Vanyuwa [196]
Let us assume that the number of beige tiles bought by Susan = B
Number of red tiles bought by Susan = R
Number of navy-blue tiles bought by Susan =N
Number of tiles bought altogether = 435
Now from the given question we know:
Number of red tiles bought is 25 more than the number of beige tiles.
So
 R = 25 + B
Number of navy blue tiles bought is 3 times that of the number of beige tile bought
So
N = 3B
We already know that the total number of tiles bought is 435
Hence
B + R + N = 435
B + (25 + B) + 3B = 435
5B + 25 = 435
5B = 435 -25
5B = 410
B = 82
R = 25 + B
   = 25 + 82
   = 107
N = 3B
   = 3 * 82
   = 246
So the number of Beige tiles  bought by Susan = 82
The number of red tiles bought by Susan = 107
The number of navy-blue tiles bought by Susan = 246
5 0
3 years ago
What transformation is represented by the rule (x, y) (-x, -y)
coldgirl [10]
The transformation which is represented is a 180 degree rotation about the origin
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3 years ago
Melanie invested $9,800 in an account paying an interest rate of 4 1 2 4 2 1 ​ % compounded quarterly. Amelia invested $9,800 in
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Step-by-step explanation:

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5 0
3 years ago
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