math
posted by makeeda .
the sum of measures of the angles in a nonagon is
A)1260 degree
B)1160 degree
C)1060 degree
D)960 degree
Respond to this Question
Similar Questions

Math23456
Problem:4x^2y^3 Choices: a.2nd degree b.3rd degree c.4th degree d.5th degree What I think:I think it is letter C. It is degree 3 in y. It is degree 2 in x. Normally, one would call this a degree equation , or a cubic equation. 
11th Grade Maths
The difference between the two acute angles of a right angled triangle is 2 π/5 radians. Express the angles in degrees. I’ve multipled 2 π/5 * 180/ π and got the result 72 degree But the answer is 81 degree and 9 … 
chemistry
182 degree c, 68 degree c, 943 degree c, 115 degree c, 0 degree c, which is the melting point of an ionic solid? 
Algebra II
Identify the degree of each term of polyrnomial and the degree of the polynromial 0f 8x^3+8x^2+3x+4. degree of the first term___________. degree of the second tern___________. degree of the third term___________. degree of the fourth … 
Math
The sum of the degree measures of the angles of a quadrilateral is 360. Find the measure of the fourth angle of each quadrilateral given the degree measures of the other three angles. 4x+12, 8x  10, 6x+5 
geometry
find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? 
geometry
find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? 
Geometry
The three angles of a triangle have measures 12x degree, 3x degree, and 7y degree, where 7y>60. If x and y are integers, what is the value of x? 
Maths
Using the exact trigonometric ratios of 45 degree,30 degree and 60 degree,evaluate the following,leaving where necessary your answer in surd form. (a) 3 sin 30 degree2 cos 60 degree (b)(tan 45 degree)(4 cos 60 degree2 cos 60 degree) 
math
The supplement of an angle measures 11 times its complement. Then the measure of the angle is: (A) 9 degree (B) 99 degree (C) 81 degree (D) 90 degree (E) none of these not just answer, please tell me how to do it