'In a circle, two parallel chords of lengths 4 and 6 centimetres are 5 centimetres apart. What is the radius of the circle?

In a circle two parallel chords of lengths 4 cm and 6 cm are 5 cm apart. What is the radius of the circle?

In a circle. of radius 5 centimetres, two parallel chords of lengths 6 and 8 centtimetres are drawn on either side of a diameter. What is the distance between them? If parallel chords of these Iengths are drawn on the same side of a diameter, what would be the distance. between them?

Circle with centre O touches the sides of the triangle at P, Q and R, AB=AC , AQ=4 centimetres and CQ=6 centimetres.What is the radius of the circle? .

Calculate the required ratios and write them using the least possible counting numbers, in these problems. Of two pencils, the shorter is of length 6 centimetres and the longer, 9 centimetres. What is the ratio of the lengths of the shorter and the longer pencils?

In a circle of radius 5 cm two parallel chords of lengths 6cm and 8 cm are drawn on either sides of a diam¬eter. What is the distance between them? If parallel chords of these lengths are drawn on the same side of a diameter what would be the distance between them.

In a circle, the length of an arc of central angle 40^(circ) 'is 3 pi centimetres. What is the perimeter of the circle? What is its radius?

What is the area of a rectangle of length 5 centimetres and breadth 3 centimetres?

The sides of a triangle are of lengths 12.4 centimetre, 16.8 centimetre, 13.7 centimetre. What is the perimeter of the triangle?

What is the area of a rectangle of length 8 centimetres and breadth 2 centimetres?