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Question

The angles of a quadrilateral are in the ratio 1:2:3:4. Find all the angles of the quadrilateral. [3 MARKS]


Solution

Concept : 1 Mark
Application :1 Mark
Calculation : 1 Mark


Let the first angle be x.

Then the others are 2x,3x and 4x

x+2x+3x+4x=360   [By angle sum property]

10x=360

x=36

 angles are x=36,2x=72,3x=108,4x=144


Mathematics

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