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Mathematics 11 Online
OpenStudy (anonymous):

i want to make a pyramid with sheets of plywood. the sides of the pyramid will be equilateral triangles with sides measuring 8ft. what is the LATERAL AREA of the pyramid? to the nearest ft^2 please HELP. im homeschooled and dnt have a teacher so i need your help to understand this :(

OpenStudy (campbell_st):

you'll need to find the perpendicular height of the triangles |dw:1355644150870:dw| the perpendicular bisects the base. so you will need to use pythagoras' theorem to find the perpendicular height before finding the area of the triangles

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