Question

1) Find area and circumference of the circle with diameter is 56cm.

2) Find area of sector and length of arc with angle substands by arc is 60° with radius is 45cm.

3) Find area of quadrilateral.if the distance between the parallel sides of the trepezium is 9cm and parallel sides are 5cm,4cm.​

Answer 1

Answer:1.Diameter=56cm

Radius=Diameter/2

r=56/2

r=28

Area of circle=πr2

=22/7×28×28

=22×4×28

=2464cmsq.