J JU.PIINu OUL Th Height of tower and width of canal.Centre of a circl

1.	J JU.PIINu OUL Th Height of tower and width of canal.Centre of a circle is (2x, X-7). Find the value of x if the circle passes through A (11, -9) and diameter ofcircle is 10v2 cm.A vessetin the for28.23.
Answer» Radius = 10√2/2 = 5√2unitscentre = (2x-1,x-7)point on circle = (11,-9) distance between centre and a point on circle = RadiusDistance between (2x-1,x-7)&(11,-9) = 5√2(11-2x+1)^2+(-9-x+7)^2= 50(12-2x)^2+(-2-x)^2= 50 2.4 and 8

J JU.PIINu OUL Th Height of tower and width of canal.Centre of a circle is (2x, X-7). Find the value of x if the circle passes through A (11, -9) and diameter ofcircle is 10v2 cm.A vessetin the for28.23.

Answer»

Radius = 10√2/2 = 5√2unitscentre = (2x-1,x-7)point on circle = (11,-9)

distance between centre and a point on circle = RadiusDistance between (2x-1,x-7)&(11,-9) = 5√2(11-2x+1)^2+(-9-x+7)^2= 50(12-2x)^2+(-2-x)^2= 50

2.4 and 8