The minute hand of a clock is `12`cm long. Find the area of the face of the clock described by the minute hand in `35` minutes.

The minute hand of a clock is of length 14 cm. Find the area of the face of clock swept by minute hand in 5 minutes. ( pi=22/7 )

The minute hand of a clock is sqrt 21 cm long . Find the area described by the minute hand between 7 am and 7.05 am.

The length of minute hand of a clock is 14 cm. Find the area swept by the minute hand in 10 minutes.

The length of the minute hand of a clock is 14 cm.Find the area swept by the minute hand in 5 minutes.

Find the area of a circle of radius 35 cm.

The diagonals of a rhombus are 7.5cm and 12cm find its area.

A 1.5 V cell is connected across a 3Omega resistance. Find the number of electrons coming out of the negative terminal of the cell In 5 minutes.

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If the height of the cylinder is 20 cm and radius of the base is 3.5 cm, find the total surface area of the article.

A bucket is in the form of a frustum of a cone with capacity of 12,308.8 cm^3 of water. The radii of the top and bottom circular ends are 20 cm and 12 cm respectively. Find the height of the bucket and the area of the metal sheet used in its making (pi = 3.14) .

What is the angular velocity of the hour hand of clock?