in a cyclic quadrilateral abcd angle a : angle b : angle c = 7:5:3 show that ac is diameter length
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Find the length of all angles first
angle a+ angle c = 180
7x+3x =180
10x= 180
X= 180/10
X= 18
Angle a = 7*18
Angle c=3*18
Angle b = 5*18= 90
Since angle b is 90 ABC is a semi circle
This implies that AC is is the diameter
angle a+ angle c = 180
7x+3x =180
10x= 180
X= 180/10
X= 18
Angle a = 7*18
Angle c=3*18
Angle b = 5*18= 90
Since angle b is 90 ABC is a semi circle
This implies that AC is is the diameter
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