The angles of a quadrilateral are in the ratio of 7:8:9:12 Find the measure of each angle
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•Let the ratio be x :-
•Sum of angles of a quadrilateral = 360°
=> 7x + 8x + 9x + 12x = 360
=> 15x + 21x = 360
=> 36x = 360
=> x = 360 ÷ 36
=> x = 10
_______________________________
Angles are :-
7x × 10 = 70
8x × 10 = 80
9x × 10 = 90
12x × 10 = 120
_____________________________________________________________________________________________
Regards :)
Cybary
Be Brainly
_____________________________________________________________________________________________
•Let the ratio be x :-
•Sum of angles of a quadrilateral = 360°
=> 7x + 8x + 9x + 12x = 360
=> 15x + 21x = 360
=> 36x = 360
=> x = 360 ÷ 36
=> x = 10
_______________________________
Angles are :-
7x × 10 = 70
8x × 10 = 80
9x × 10 = 90
12x × 10 = 120
_____________________________________________________________________________________________
Regards :)
Cybary
Be Brainly
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