Related Questions

What is the sum of the measures of all the interior angles of a regular polygon of 9 sides?
A 1260
B 1440
C 1800
D 2340
What is the sum of the measures of all the interior angles of a regular polygon of 5 sides?
A 720
B 1080
C 1260
D 540
The interior angles of a polygon are in AP. The smallest angle is 120° and the common differences is 5". Find the number of sides of the polygon.
A 7
B +8
C 9
D 10
The sum in degrees of the interior angles of a polygon of 9 sides is :
A 1080 degree
B 1260 degree
C 900 degree
D 1620 degree
The sum in degrees of the interior angles of a polygon of 13 sides is:
A 1880 degree
B 1890 degree
C 1980 degree
D 2380 degree
The lengths of the sides of triangle T are x +1 , 2x, and 3x . The sum of the degree measures of the three interior angles of T is--
A 6x +1
B 60x
C 90
D 180
The lengths of the sides of a triangle are d+1, 2d, and 3d. The sum of the degree measures of the three interior angles of the triangle is____
A 6d+1
B 60d
C 90
D 180
If a regular polygon has 6 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?
A 90\u00b0
B 100\u00b0
C 60\u00b0
D 108\u00b0
The first three angles measures 10% less than the second. The third angle measures 20% more than the sum of the other two. Find the three angles of a triangle.
A 30 degree, 40 degree, 110 degree
B 45 degree, 45 degree, 90 degree
C 35 degree, 45 degree, 100 degree
D 60 degree, 30 degree, 90 degree
The sun in degrees of the interior angles of a polygon of 13 sides is:
A 1890 degree
B 1980 degree
C 2160 degree
D 1710 degree

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