Find the difference between the area of circular

Reference no: EM13882493

Area & Perimeter

1) Find the area of circle

a)R=8cm b) D=4cm c) D=84 cm d) D=20cm e) R=17cm

2) Find the circumference

a) R=25 cm b) R=18 cm c) R=27 cm d) R=32 cm e) R =44cm

3) How many circles can be cut out with a square with a square sheet of side 20 cm and radius of each circle being 5 cm.

4) The diameter of a circle is 80 cm. Find the area and circumference .

5) The radius of a circular field is 7cm.Along with the field outside , 5cm wide circular fence was built , find the difference between the area of circular field and circular fence.

6) Find the circumference of a circle with radius 10 cm.

7) Find the area and circumference of a circle inscribed in a square of side 20cm.

8) Find the area of the figure where AB=10cm=CD=AC.O is the midpoint of CD.

9) Find the area of a triangle whose base is 9m and latitude =10cm.

10) ABCD is a parallelogram with CY and AX being the altitudes dropped down from the corresponding sides of the parallelogram of area 80 cm square. Find the length of the altitudes.

11) The area of a right angled triangle is 20 times the base of the triangle. Find the height.

12) AB=20 cm, AC= 18cm .E is the mid of BD. VWYX is a square of 2cm.

a) Find the area of house, ignoring VWXY and inside semicircle.

b) Find the total cost of painting the shaded area at the rate of Rs 20 per square centimeter.

Reference no: EM13882493

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