the angles of a quadrilateral are in AP with d = 10, find the angles.
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Answered by
14
Answer:
given= 10°
let us take angles as a-d , a , a+d , a+2d
now we know that sum of all quadrilateral is 360°
so we get
a-d + a + a+d + a+2d= 360°
4a+ 2(10) = 360°
a= 85°
first angle = a-d = 85 - 10= 75°
second angle a= 85°, third angle = a+2d= 85+ 2(10)= 85+20= 105°
fourth angle = a+d = 85+ 10= 95°
Step-by-step explanation:
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Answered by
5
Step-by-step explanation:
let be the angle a-3d,a+d,a-d,a+3d....
sum of angle=360
4a=360
a=90
angles are 60,100,80,120
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