In trapezium ABCD, AB is parallel to CD.P and Q are the midpoints of AD and BC respectively. If AB=X + 15 and CD = X + 9.find PQ
Line through the points (2, 6) and (4, 8) is perpendicular to the line through the points (8, 12) and (x, 24). Find the value of x.
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ThANKS & rEGARDS
DEVENDER KUMAR TYAGI
Sir, in triangle ABC and triangle PQR, the medians are CM and RN resp. So, can angle M and angle N be 90degree?
Find the valueof k for which the pair of linear equations kx+y=k^2 and x+ky=1 has infinitely many solutions
A sphere , a cylinder and a cone are of the same radius and same height . Find the ratio of their curved surfaces.
The slant height of a cone is 10 cm and the radius of it's base is 7 cm . what is its curved surface area