Greg builds a new pond which has a volume of 7.35 m3. It is 4.2 m long and 50 cm deep. What is the width of the pond? m There will be a circular patio with a diameter of 7 metres. Greg is going to put a tiled edge around the patio. What is the circumference of the patio? m Circumference of a circle = 2πr Use π = 3.14

Question

Mathematics

Hana Mcconnell

13 November, 20:17

Greg builds a new pond which has a volume of 7.35 m3. It is 4.2 m long and 50 cm deep. What is the width of the pond? m There will be a circular patio with a diameter of 7 metres. Greg is going to put a tiled edge around the patio. What is the circumference of the patio? m Circumference of a circle = 2πr Use π = 3.14

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Aries · Answer 1

Assuming the pond is rectangular in shape, therefore Volume = Width * Length * Depth

Width = Volume / (Length*Depth)

Width = 7.35/4.2*0.5 = 7.35/2.1 = 3.5 m

r = diameter / 2 = 7/2 = 3.5m

Circumference of the patio = 2*3.14*3.5 = 21.98m