" the area of the circumscribed circle.Take "pi=3.14" ."

The radii of two circles are in the ratio 5 : 8 . If the difference between their areas is 351 pi sq. cm, find the area of the bigger circle. Take pi=3.14 .

The circumference of a circle is 31.4cm. Find the radius and the area of the circle. (Take pi=3.14 )

In the given figure PQ=24cm, PR=78cm and O is the centre of the circle. Find the area of the shaded region. [Take pi=3.14 ]

In Fig. an equilateral triangle A B C of side 6 cm has been inscribed in a circle. Find the area of the shaded region. (Take pi=3. 14 )

A circle is drawn circumscribing a rectangle of sides 24 cm and 7 cm. Find the area of the circle. (Take pi=3.14 ) एक वृत्त 24 cm और 7 cm भुजा वाले आयत के परिगत है। वृत्त का क्षेत्रफल ज्ञात कीजिए।( pi=3.14 )

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take pi=3.14 )

From a circular sheet of radius 4cm, a circle of radius 3cm is removed. Find the area of the remaining sheet. (Take pi=3.14 )

The circumference of a circle is 31.4cm. Find the radius and the area of the circle? (Take pi=3.14)

Find the area of the shaded region in figure, if BC BD=8cm, AC = AD = 15 cm and O is the centre of the circle. ("Take " pi = 3.14 )

The circumference of a circle is 31.4 cm. Find the radius and the area of the circle? (Take pi = 3.14)