Question

from a rectangular metal sheet of size 20 cm by 30 cm , a circular sheet as big as possible is cut .find the area of the remaining sheet.​

Answer 1

Step-by-step explanation:

Given

length of rectangle =30cm

breadth of rectangle=20cm

Area of rectangle

20 ×30 = 600 cm2

largest possible diameter will be 20cm

r = 10cm

Area of circle

πr2 = 22/7 × 10 ×10

314.28cm2

Area of remaining sheet

area of rectangle - area of circle

600 -314.28

285.72cm2

Therefore the area of remaining sheet is 285.72cm2