Semi-Circles

Semi-circle the end -points of a diameter of a circle divide the circle into two parts; each part is called a semi-circle.

Areas Related To Circles - Perimeter|Area|Semi Circle|Area Of A Ring|OMR

Perimeters,Area,Circle,Semi Circle|Arc Of A Circle,Sector Circle,Area Of Minor Sector,Segment Of A Circle|Area Of Segment|Practice Questions

The given figure consists of and four small semi-circles of A B equal; radii and two big len semi-circles of equal radii (each 42cm). Find the area and perimeter of Two the shaded region 25. In 19. The total surface area of a hollow cylinder which is open from both sides is 3575cm

Circle inside a Circle : PQRS is a diameter of a circle of radius 6cm. The length PQ;QR and RS are equal.Semi circles are drawn on PQ and QS as diameters as shown in Figure.Find the perimeter and area of shaded Region.

Draw a semi-circle with centre O and radius 5cm. Is the diameter that determines the semi- circle,a part of the semi-circle?

If diameter of semi-circle is 7 cm then perimeter of semi circle is ................... .

The figure shows a rectangle ABCD with a semi-circle and a circle inscribed inside it as shown. What is the ratio of the area of the circle to that of the semi-circle ?

A semi-circle of diameter 1 unit sits at the top of a semi-circle of diameter2 units. The shaded region inside the smaller semi-cricle but outside the larger semi-circle a lune. The area of the lune is-