5th grade
posted by Nathan .
A quadrilateral has angle measures of 71 degrees, 28 degrees, and 115 degrees. Which is the measure of the last angle?
Respond to this Question
Similar Questions

math
Q. The sum of the measures of two supplementary angels is 180 degrees. If one angel measures 45 degrees less than twice the measures of its supplement, find the measure of each angle? 
8th grade Math
In a quadrilateral , angle CAB is divided into two comgruent angles by line AD. What is the measure, in degrees of angle DAB. Angle B and D are 90 degrees. angle C equals 45 degrees. 
algebra
the sum of the four angle measures of any convex quadrilateral is 360 degrees. if a certain convex quadrilater has angle measures of 60, 2y10, and 10y+5 degrees, what is an expression for the degrees measure of the fourth angle? 
algebra
The sum of the angles of a triangle is 180 degrees. If one angle measures x degrees, a second angle measures 3x degrees, and a third angle measures 7x degrees, express the measure of the fourth angle in terms of x. 
7th Grade Math
What is the measure of an exterior angle of a regular polygon in which the sum of interior angle measures is 5400 degrees? 
Math
Four of the angles of a pentagon measure 85 degrees, 110 degrees, 135 degrees, and 95 degrees. Find the measure of the missing angle. A. 115 degrees B. 95 degrees C. 135 degrees D. 85 degrees Is the answer D? 
Math
The supplement of an angle measures 11 times its complement. Then the measure of the angle is... A. 9 degrees B. 81 degrees C. 90 degrees D. 99 degrees E. 100 degrees 
Algebra
The sum of the four angle measures of any convex quadrilateral is 360 degrees. Suppose that a convex quadrilateral has angle measures of 90, 10y+4, and 3y2 degrees. Write an expression for the degree measure of the fourth angle. 
Math
The sum of the measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what is the measure of angle X? 
Math
The sum of the measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what is the measure of angle X?