Sum of interior and exterior angle is 180 so
Interior angle =180−72=108
Now we need to find the no of sides of the polygon= n We know that interior angle of n-sides is given by
(n−2)×180n
We have
(n−2)×180=108n
or
180n−360=108n
or
72n=360
n=5 sides so there are 5 angles each of 108 degrees Sum of the interior angles=108+108+108+108+108=540.....
<span>To find the measure of each exterior angle of a regular polygon, you just divide 360 degrees by the number of sides.
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Answer:it’s in the origin
Step-by-step explanation:
Answer:
B ( -1,-7)
A (-3,-2)
C (6, -1)
Step-by-step explanation:
<u>Explanation</u>:-
Given vertices are A( -3,2) , B(-1,7) and C(6,1)
Reflection about the x-axis then the coordinate points are transformed to
(x,y)→ (x,-y)
A(-3,2)→ A¹(-3,-2)
B(-1,7)→ B¹(-1,-7)
C(6,1)→ C¹(6,-1)
Answer:
x = -2/3
Step-by-step explanation:
x + 10 ÷ 6 = 1
Divide
x + 1 2/3 = 1
Subtract 1 2/3
x = -2/3
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