Give (i) an oblique sketch and (ii) an isometric sketch for each of the following: A cuboid of dimensins 5cm, 3cma nd 2cm. (Is your sketch unque?)

Find the perimeter of each of the following shapes: (a) A triangle of sides 3 cm, 4 cm and 5 cm.

Is it possible to have a triangle with the following sides: 2cm, 3cm, 5cm

How many silver coins, 1.75cm in diameter and thickness 2mm, must be melted to from a cuboid of dimensions 5.5cmxx10cmxx3.5cm ?

Write an anti derivative for each of the following functions using the method of inspection: (i) cos2x (ii) 3x^(2)+4x^(3) (iii) 1/x,xne0

Find CSA of each of following cylinders (i) r=x cm , h= y cm (ii) d= 7cm , h= 10 cm (iii) r= 3, h= 14cm

Write the degree of each of the following polynomials : (i) 5x^3 +4x^2+7x (ii) 4-y^2 (iii) 5t-sqrt7 (iv) 3

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid depressions are 15 cm by 10 cm 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4cm . Find the volume of wood in the entire stand ( see fig ).

2 cubes each of volume 64cm^(3) are joined end to end . Find the surface area of the resulting cuboid.