Surface area of cones and pyramids
 Copy down the formula:Pyramid:  perimeter of baseL.A. = ½PlS.A. = L.A. + BPArea of baseSlant heightBl What is the surface area of the pyramid?What is the lateral area of the pyramid?4cm6cm8cmWhat is the perimeter of the base?What is the slant height?What is the area of the base?cmcmcm2cmcm22 What is the surface area of the pyramid?What is the lateral area of the pyramid?5cm7cm10cmWhat is the perimeter of the base?What is the slant height?What is the area of the base?cmcmcm2cmcm22 What is the surface area of the pyramid?What is the lateral area of the pyramid?6in4in12inWhat is the perimeter of the base?What is the slant height?What is the area of the base?ininin2in2in2 s represents the slant height(some people use l for slant height)h represents height of cone=5cmCopy down the formular represents radius of circleL.A. = πrsS.A. = L.A. + BB = πr2 =5cm=7cmWhat is the surface areaof the cone? Round to the nearest tenth and use 3.14159 for piWhat is the radius?What is the slant height?:cmcmcm2 =7cm=10cmWhat is the surface areaof the cone? Round to the nearest tenth and use 3.14159 for piWhat is the radius?What is the slant height?:cmcmcm2
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