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Natali5045456 [20]
3 years ago
5

If the exterior angle of a regular polygon is 72°, how many sides does it have? What is another name for this shape?

Mathematics
2 answers:
lianna [129]3 years ago
8 0
I dont know sorry 
ghuu
sergiy2304 [10]3 years ago
3 0
The shape would have 5 sides, and could also be called a pentagon.
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Help. Can somebody help me with this. Thank you.
posledela

Answer:

m\angle CAB=65^\circ

Step-by-step explanation:

<u>Angles and Lines</u>

It's convenient to recall two basic principles of angles:

The sum of internal angles in a triangle is 180°

Two linear angles are supplementary, i.e. they sum 180°.

Angles ABC and CBD are linear. Since we know the measure of angle CBD, thus the measure of angle ABC is 180°-6x.

Now focus on the triangle. The sum of its internal angles is:

x + 40 + 3x + 10 + 180 - 6x = 180

Simplifying:

-2x + 230 = 180

Subtracting 230:

-2x = -50

Dividing by -2:

x = -50 / (-2) = 25

x = 25°

Now find the measure of angle CAB

m\angle CAB=x+40=25+40=65

\mathbf{m\angle CAB=65^\circ}

5 0
3 years ago
I need HELP! Will mark as Brainliest....Please explain your answer.
poizon [28]
The number of 8 oz glasses of milk in 1 gallon doesn't change and isn't a variable.  Definitely answer NO to this one.  With some reservations, I'd say that all the other three descriptions rate a YES.
3 0
3 years ago
Camille goes to sleep at 8:30 pm and wakes up at 6:00 am. How long does Camille sleep?
Len [333]

Answer:

9. 5 Hours

Step-by-step explanation:

8:30 AM to 12:00 PM = 3.5 hours

12:00 PM to 6:00 PM = 6 hours

Total = 6 + 3.5 = 9.5 hours  

Hope this answer helps you :)

Have a great day

Mark Brainliest

4 0
3 years ago
AC←→ is tangent to the circle with center at B.
Neko [114]
I'm pretty sure the answer is "19", but if i'm wrong please don't kill me.
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3 years ago
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PLZ HELP I SHALL GIVE BRAINLIESST
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Answer: 1180 m

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