Question

1. Calculate the volume of a cuboidal room whom dimensions are 5x5x3x2x7x4.

2. A lawn owner takes 750 complete revolutions to cut grass on a field . calculate the area of the field of the diameter of the lawnmower is 84 cm and length is 1m.

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Answer 1

Answering 1st question

Answer 2

2)radius=84/2=42 or 0.42m

Curved surface area of cylinder=2πrh

2×22/7×0.42m×1

2.64meter square

Area of the ground=2.64×750

1980meter square