If two adjacent sides of a cyclic quadrilateral aré 2 and 5 and the angle between them is 60°. If the third side is 3, then the remaining fourth side is (a) 2 (b) 3 (c) 4 (d) 5

The two adjacent sides of a cyclic quadrilateral are 2a n d5 and the angle between them is 60^0dot If the area of the quadrilateral is 4sqrt(3) , find the remaining two sides.

Two adjacent sides of a parallelogram are 4.5 cm and 3 cm. Find its perimeter.

The measure of two sides of a triangle is 10 m and 15 m. The angle between them is increasing at the rate of 0.01 radi./sec. when the angle between them is (pi)/(3) , find the rate of change of increase in third side.

Find the area of the triangle formed by the midpoint of the sides of the triangle with vertices (2,1), (-2, 3) and (4,-3).

The vertex of an equilateral triangle is (2, 3) and the equation of the opposite side is x + y = 2 . Then the other two sides are y-3 =( 2 pm sqrt(3) ) ( x-2) .

If one side of a squre be represented by the vectors 3hati+4hatj+5hatk , then the area of the square is

The distance ratio of two lines are (5,-12,13) and (-3,4,5) . Then the angle betweend them is..............

The two shorter sides of right angles triangle are 5 cm and 12 cm. Let theta denote the angle opposite to the 5 cm side. Find sintheta, costheta and tantheta .

If a,b,c,d are the side of a quadrilateral, then find the the minimuym value of (a^(2)+b^(2)+c^(2))/(d ^(2))