Question

In figure the object is made of two solids- a cube and a hemisphere. The base of the figure is a cube with edges of 5 cm and the hemisphere fixed on the top has a diameter of 4.2 cm find the total surface area of the object. (take π = 22/7​

Answer 1

Answer:

the total surface area of the object= 162.57 cm2

Step-by-step explanation:

Given:

diameter of hemisphere = 4 cm radius = 2 cm

Length of cube = 5 cm

Breadth of cube = 5 cm

Height of cube = 5 cm

T. S. A of the object = T. S. A of cube + C. S. A of hemisphere - Base area of hemisphere

= 6a^2 + 2πr^2 - πr^2

= 6(5) ^2 + 22/7*2*2

= 150+ 12.57

= 162.57

____Hope it helped you____