The endpoints of `overline(AB)` are A(0, 0) and B(9, -6). What is an equation of the line that contains the reflection of `overline(AB)` in the y-axis?

lf circular arcs overline(AC) and overline(BC) have centres at B(-alpha, 0) and A(alpha, 0) respectively and equation of circle which touches both arcs overline(AC) and overline(BC) and line AB is (x-a)^2+ (y-b)^2=r^2,r>0, if length of arc BC=8pi, the value of |a+b+r-alpha| equals

Let A(2,-5) and B(6,-1) be two given points Find the length of orthogonal projection of the line -segment overline(AB) upon the line x-y=1.

The coordinates of the points A,B,C and D are (-2,3), (8,9), (0,4) and (3,0) respectively . Find the ratio in which the line -segment overline(AB) is divided by the line -segment overline(CD) .

Draw a line segment overline (AB) of length 12 cm. Mark a point ‘C’ on the line segment overline (AB) , such that overline (AC) = 5.6 cm. What should be the length of overline (CB) ? Measure the length of overline (CB) .

Draw a perpendicular bisector of the line segment overline (AB) = 6.2 cm.

In the accomapanying figure, overline(AB)||overline(CD) . If AB=40, CD=16, and BC=49 , what is the length of overline(BE) ?

If the coordinates of the vertices of a triangle ABC be (3,0), (0,6)and (6,9)and if D and E respectively divide overline(AB) and overline(AC) internally in the ratio 1:2 , then show that the area of DeltaABC=9 x the area of DeltaADE .

Which logic gate corresponds to the logical equation, Y = (overline A + B) ?

In the figure above, overline(AB)||overline(CD) , AD=30, AB=21, and CD=15. What is the length of overline(DE) ?