Class X : HOTS Question Answers: Math Unit - 11 (MENSURATION)

MENSURATION

Find the area enclosed between two concentric circles of radii 3.5cm, 7cm. A third    concentric circle is drawn outside the 7cm circle so that the area enclosed between it and the

Two circles touch externally. The sum of their areas is 58 cm2 and the distance between their centres is 10 cm. Find the radii of the two circle

In the adjoining figure  right angled triangle right angled at A. Semi circles are drawn on the sides of the triangle . Prove that area of the Shaded region is equal to area of

The sum of the diameters of two circles is 2.8 m and their difference of circumferences is 0.88m.  Find the radii of the two cir

Find the circumference of a circle whose area is 16 times the area of the circle with diameter 7cm