The angles of a quadrilateral are in the ratio 3:5:7:9.find all the angles
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Let the ratio be x
Then, angleA=3x
angle B=5x
angle C=7x
angle D=9x
Then,
angleA+angleB+angleC+angleD=360°
=)3x*5x*7x*9x=360°
=)24x=360
=)x=360/24
=)x=15
Then,
angleA=3x=3×15=45°
angkeB=5x=5×15=75°
angleC=7x=7×15=105°
angleD=9x=9×15=135°
Hope it helps u.
Then, angleA=3x
angle B=5x
angle C=7x
angle D=9x
Then,
angleA+angleB+angleC+angleD=360°
=)3x*5x*7x*9x=360°
=)24x=360
=)x=360/24
=)x=15
Then,
angleA=3x=3×15=45°
angkeB=5x=5×15=75°
angleC=7x=7×15=105°
angleD=9x=9×15=135°
Hope it helps u.
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