The angles of a quadrilateral are in the ratio 1:2:3:4. Find all the angles of the quadrilateral. [3 MARKS]
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]
∴ angles are x=36∘,2x=72∘,3x=108∘,4x=144∘