The four angles of a quadrilateral are in the ratio of 7:8::10:11 . Find their measures
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In a quadilateral the angles add up to 360o
Let's call the angles 7x,8x,10x and 11x
Then:
7x+8x+10x+11x=360
→36x=360
→x=10
Then the angles are 70°,80°,100°and110°
Check: 70+80+100+110=360
Let's call the angles 7x,8x,10x and 11x
Then:
7x+8x+10x+11x=360
→36x=360
→x=10
Then the angles are 70°,80°,100°and110°
Check: 70+80+100+110=360
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