Question

in a rectangular brass played 12cm*8cm there are 38 holes of 1.75cm each in diameter . find the area of remaining sheet​

Answer 1

give me like for this answer

Answer 2

Answer: Area of remaining sheet = 4.5625 $cm^{2}$

Step-by-step explanation:

Given,

Dimension of rectangular brass played : 12 cm x 8 cm

∴  Area of brass played = 12 * 8 = 96 $cm^{2}$

Diameter of each hole = 1.75 cm

∴ Area of 1 hole = $\pi (\frac{1.75}{2} )^{2}$  = 2.40625 $cm^{2}$

∴ Area of 38 holes = 38 * 2.40625 = 91.4375 $cm^{2}$

∴ Area of remaining sheet = 96 - 91.4375 = 4.5625 $cm^{2}$