Use isometric dot paper and make an isometric sketch for each one of the given shapes:

A kite in the shape of a square with diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to made of three different shades as showing in fig . How much paper of each shade has been used in it ?

If vec a, vec b, vec c are three mutually perpendicular vectors of equal magnitude, then the angle theta which vec a + vec b + vec c makes with any one of three given vectors is given by

Given below is an incomplete table about certain hormones, their source glands and one major effect of each on the body in humans. Identify the correct option for the three blanks A, B and C.

Rachel, an engineering student, was asked to make a model shaped like a cylinder with two cones attached at its two ends by using a thin aluminum sheet. The diameter of the model is 3 cm and its length is 12 cm . If each cone has a height of 2cm , find the volume of air contained in the model that Rachel made . ( Assume of outer and inner dimensions of the model to be nearly the same .

A calcite crystal is placed over a dot on a piece of paper and rotated . On seeing through the calcite , one will be

The students of a Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and heigh 105. cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, how much cardboard was required to be bought for the competition ?

Unambiguous, universal and degenerate are some of the terms used for the genetic code. Explain the salient features of each one of them.

Unambiguous, universal and degenerate are some of the terms used for the genetic code. Explain the salient features of each one of them.