Question

7. From a square metal sheet of side 28 cm, a circular sheet is cut off. Find the radius of the
largest possible circular sheet that can be cut. Also find the area of the remaining sheet
8. Triangle ABC is right angled at A. AD is drawn perpendicular to BC. If AB = 5 cm and​

Answer 1

Answer:

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Step-by-step explanation:

Answer

Area of square sheet = (28)

2

=784cm

2

The largest circle of diameter equals to the side of square can be cut off from the square sheet.

∴ Radius of circular sheet =

2

28

=14cm

Area of remaining sheet = 784−πr

2

=784−

7

22

×14×14

= 784−616 = 168cm

2