Triangular Prisms Investigation Nets & Surface Area.

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Presentation transcript:

Triangular Prisms Investigation Nets & Surface Area

Sketch a Triangular Prism First…draw the front face. Then some parallel lines... Then connect... Ta Da! Now draw the net… Is this net the only possible answer?

Which ones could be the net for this object? Must have: 2 congruent equilateral triangles 3 congruent rectangles Triangles not equilateral… Rectangles not congruent Triangles are equilateral… Need 3 congruent rectangles…

Draw the net and find the surface area 2 congruent scalene triangles 6 cm 2 1 rectangle 5cm by 7cm Find the area of each face. The sum is the surface area 6 cm 2 35 cm 2 28 cm 2 21 cm 2 Surface Area is 96 cm 2 1 rectangle 4cm by 7cm 1 rectangle 3cm by 7cm

Draw the net and find the surface area 2 congruent equilateral triangles 3 congruent rectangles 2 cm 8 cm 2 4cm 1.6 cm 2

Find the surface area