3. Write an Algorithm and draw a flow chart based on the following, Calculate the area of circle and calculate the area of rectangle and finally calculate the total area. Where area of circle is Area = a rand area of rectangle is Area =L* B. 4. Write an Algorithm and draw a flowchart to find the area of a triangle using the following formula. Area= S(S-a) (s-b) (s-c) Where s = (a + b + c) / 2 5. Write an algorithm and draw a flowchart to check whether a hospital ward can be converted to a COVID ward or not according to the table given below. No. of COVID patients Covid Ward More than or equal to 100 Yes Less than 100 No