A cow is tied on the corner of a rectangular field of size 30 m ×20 m by a 28m long rope. The area of the region, that she can graze, is$(use \pi =\frac{ 22}{ 7} )$ :

A cow is tied on the corner of a rectangular field of size 30 m ×20 m by a 14m long rope. The area of the region, that she can graze, is$(use \pi =\frac{ 22}{ 7} )$ :

The right angled triangle of base 60cm and height 61 cm. At each vertex of the triangle, circles of radius 3cm are drawn. What is the area of the triangle in sqcm, excluding the portion enclosed by circles? $(\pi=3.14)$.

The sides of triangles are 3cm, 4cm, and 5cm. At each vertex of the triangle, circles of radius 6 cm are drawn. What is the area of the triangle in sqcm, excluding the portion enclosed by circles? $(\pi=3.14)$.

The sides of triangles are 10cm, 24cm, and 26cm. At each vertex of the triangle, circles of radius 3cm are drawn. What is the area of the triangle in sqcm, excluding the portion enclosed by circles? $(\pi=3.14)$.

The area of a field in the shape of a trapezium measures 1440 m². The perpendicular distance between its parallel sides is 24 m. If the ratio of the parallel sides is 5 : 3, the length of the longer parallel side is :