In quadrilateral ABCD, AB = 9 cm, BC = 12 cm, CD = 8.5 cm, DA = 8.5 cm and AC = 15 cm. Find the area of quadrilateral ABCD.
In DeltaABC, angleABC = 90^@ , AD = DC, AB = 12cm and BC = 6.5 cm. Find the area of DeltaADB .
Find the area of a quadrilateral PQRS in which angleQPS = angleSQR = 90^@, PQ = 12 cm, PS = 9 cm, QR = 8 cm and SR = 17 cm (Hint: PQRS has two parts)
In a quadrilateral ABCD, /_B= 90^(@)" and "AD^(2)= AB^(2)+BC^(2)+CD^(2) . Prove that /_ACD= 90^(@) .
In Delta ACB, angle C = 90^(@) and CD bot AB Prove that (BC^(2))/(AC^(2)) = (BD)/(AD) .
A lamp post is situated at the middle point M of the side AC of a triangular plot ABC with BC=7m, CA=8m and AB=9m . Lamp post subtends an angle 15^(@) at the point B. Determine the height of the lamp post.
An Olympic swimming pool is in the shape of a cuboid of dimensions 50m. Long and 25 m. wide. If it is 3m . Deep throughout , how many liters of water does it hold? ( 1cu.m =1000 liters)
An overhead water tanker is in the shape of a cylinder has capacity of 61.6 m^3 . The diameter of the tank is 5.6 m . Find the height of the tank.
In DeltaABC if m angle C = 90^@ than tanA + tanB = ......(where a,b,c are sides opposite to angles A, B, C respectively).
In a quadrilateral ABCD, vec(AB)=vec(b),vec(AD)=vec(d) and vec(AC)=m vec(b)+p vec(d)(m+p ge1) . The area of the quadrilateral ABCD is ……………..