Question

the edge of a cubical block of a wood measures 30 cm. A straight cylindrical hole of diameter 10cm is drilled through the cube. Find the volume of the wood left in the block. No spam​

Answer 1

Answer:

Volume of cubical block = 30³ = 27000 cm³

Volume of holl drilled = πr²h

= 3.14 (5)² × 30

= 2355 cm³

Volume of the wood left = 27000 - 2355

= 24645 cm³