Question

ABCD is a semicircle with Centre O find the perimeter and area of the figure
AC =14 cm​

Answer 1

given: ABCD is a semicircle

AC is the diameter of the semicircle

O is the centre

AC=14cm

Required: Area of ABCD

Solution: area of circle = πr²

area of semicircle = πr²/2

(22/7 x 14/2 x 14/2)/2

(11 x 2)/2

11 cm²

Answer 2

Answer:

perimeter is=36 and area is=77