OXYZ is a pyramid whose base is a right-angled triangle where XY=7m and YZ=4m. Given that the height of the pyramid is 5m, find its volume.
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Step-by-step explanation:
Volume of a pyramid=base area*height/3
Since angle xyz is 90 degree, xy is base and yz is height of the base triangle.
Therefore base area=xy*yz/2=7*4/2=14cm^2
Therefore volume of the pyramid=14*5/3=70/3 cm^3
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