Question

The circular portion of the following figures are semicircles for each of the following figures find i) its perimeter, ii) its area

Answer 1

Answer:

The perimeter of a semicircle is half of the circle. As the perimeter of a circle is 2πr or πd. So, the perimeter of a semicircle is 1/2 (πd) or πr, where r is the radius.

Step-by-step explanation:

By using this formula you can find your answers.

Answer 2

i):-add the peremter of semicircle and right triangle

ii):-area of semicircle=half πr²add this with area of triangle

hope it's helpful for you