1.

In a quadrilateral ABCD , the angles A,B, C and D are in the ratio 1: 2: 3: 4. The measure of smallestangle isa) 36⁰ b) 54⁰ c) 72⁰ d) 18⁰​

Answer»

Step-by-step EXPLANATION:

LET the 1:2:3:4 be X ,2x,3x,4x

x+ 2x+3x+4x= 360 ( angle SUM property of a quadrilateral

10 x=360

x =36

ANSWER is a 36 degree



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