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If You Know Prime Numbers You Should Be Able To Solve This Shape (Photo) - Education (7) - Nairaland

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Re: If You Know Prime Numbers You Should Be Able To Solve This Shape (Photo) by Nobody: 5:53pm On Jan 10, 2020
dacool1:
Answer is 7
Since the chords are enclosed to form a cyclic polygon and are of lengths 1,2,3,5,7,11,13
Angle at center =360
Ratio of angles =1:2:3:5:7:11:13
Sum of ratio =42
Working with chord 7
Angle subtended by chord 7 =7/42 *360
ANGLE = 60
Length of chord =2rsin®/2
7=2rsin30
R=7/2sin30
R=7
Help solve this two also, 1. 3^√x = 8x.

2. 3^x + 5^x = 17x

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