Related Questions

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 the sum of the interior angles of a regular polygon measures 1444°, how many sides does the polygon have?
A 10 sides
B 8 sides
C 12 sides
D 9 sides
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
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
If the sum of two adjacent angles is equal to two right angles, then the two angles are ----
A adjacent angles
B straight angles
C supplementary angles
D condemnatory angles
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 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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