find 4 angles of cyclic quadrilateral ^A, ^B,^C and ^D in which ^A=2x-1^,^B=y+5^,^C=2y+15 and ^D=4x-7
Answers
Answered by
2
In cyclic quadrilateral ,sum of opp. angles is 180
So,2x -1+2y+15=180
2x+2y=166
x+y=83 y =83-x
y+5 +4x-7=180
y+4x =182
83 - x +4x=182
3x=182-83=99
x=33 and y=50
So,2x -1+2y+15=180
2x+2y=166
x+y=83 y =83-x
y+5 +4x-7=180
y+4x =182
83 - x +4x=182
3x=182-83=99
x=33 and y=50
Similar questions