Question

in the figure OAB is a quadrant af a circle of radius 10cm calculate
the perimeter
the area
of the quadrant

Answer 1

Answer:

perimeter 2π10/4=5π cm

and area π10x10/4=25π cm^2

Answer 2

Answer:

perimeter=5πcm or 15.7 cm. and area =25π cm square or 78.53 cm square

I know that you know the formula of perimeter of the circle and it's area .

simply divide both by 4 as quadrant is the 1/4 th part of the circle .