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The sum of angles of a triangle is given by the expression (2a + b)o while that of a quadrilateral is given by (13a - b)o. Calculate the values of a and b.

The sum of angles of a triangle is given by the expression (2a + b)o while that of a quadrilateral is given by (13a - b)o. Calculate the values of a and b.

Answers


John
The sum of angles in a triangle is

180o while the sum of angles in a

quadrilateral is 360o

2a + b = 180o

13a - b = 360o + (add)

15a = 540;

using 2a + b = 180

72 + b = 180;

b = 108o
johnmulu answered the question on June 8, 2017 at 11:48

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