Question

A metel plate measuring 42 cm by 14 cm is cut up into small squares of side length 7mm .How many tiles will be needed..??????????​

Answer 1

Answer:

120 pieces. (plz Mark me Brainliest)

Step-by-step explanation:

area of metal plate= 42cm × 14cm =588cm2

area of square cut= side×side =7mm×7mm =49mm²

area of metal plate in mm= 5880mm²

No. of small squares that can be cut from metal plate=

5880mm²÷49mm² = 120 pieces.

Answer 2

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Area of metal plate = 42×14= 588 cm2

Area of square = 7×7 = 49 mm2= 0.49 cm2

So the number of squares can be cut are= 588/0.49= 1200 squares.

Hope its help uh :)