Geometry Answers

A closed vessel in the form of a right circular cone of height ‘h’ contains some water. When the vertex of the conical vessel is downward, water in it stands at 1/3rd of the height. It is now inverted so that the vertex is upward. At what height the water now stands ?

if given 4 non-collinear points,how do you decide if its a rectangle?

Suppose that {a, b, c}is a pythagorean triple. Give some examples that will show that {3a+4b, 4a-3b, 5c} is pythagorean triple.

The parallel lines of a trapezium are 25 cm and 11cm ,while its non-parallel sides are 15 cm and 13 cm .Find the area of trapezium.

Two horses are observed by a hang glider 80 meters above a meadow. The angles of depression are 10.4 and 8. How far apart are the horses?

Find the measure of the angle to the nearest tenth of a degree.
cos Y= 0.5135

a parallelogram contains exactly two right angles

find the volume of spheres whose surface area is 154 cm2

Find an equation of the circle whose diameter has endpoints (-4,6) and (6,-4)

a boy wishes to divide the board in 28cm long into 3 pieces in the ratio of 1:2:4 find the length of each