Question

the side of pentagon are produced and the exterior angel are obtained measure 2x+20° , x-10° , 3x +30° ,4x-15°, 5x-10°. find the value of x and find all the exterior Angel of the Pentagon

Answer 1

(2x+20)+(x-10)+(3x+30)+(4x-15)+(5x-10)=540
2x+20+x-10+3x+30+4x-15+5x-10=540
15x+20=540
15x=540-20
15x=520
x=520÷15
x34.66