Question

a test tube has diameter 20 mm and height is 15 CM the lower part is a hemisphere find the capacity of the test tube​

Answer 1

Answer:

The capacity of the tube is 46.05 ml.

Step-by-step explanation:

Given : A test tube has diameter 20mm and height 15cm the lower portion is hemisphere.

To find : The capacity of test tube is?

Solution :

Diameter = 20mm = 2cm

Radius = 1 cm

Height of the test tube is h=15 cm

Height of the cylindrical part is h=15-1=14 cm

Capacity of the tube = Volume of cylindrical part + volume of hemispherical part

The capacity of the tube is 46.05 ml.