What is the lateral area of a triangular prism with base edges all equaling 2 millimeters and a height of 7 millimeters?

28 mm2

14 mm2

7 mm2

42 mm2

Question

What is the lateral area of a triangular prism with base edges all equaling 2 millimeters and a height of 7 millimeters?

 28 mm2

 14 mm2

 7 mm2

 42 mm2

anonymous · Answer

lateral area of prism = perimeter of base * height

perimeter of the base triangle with all sides of 2 mm = ?
heigh = 7mm
lateral area = ? * 7 = !

anonymous · Answer

so how i solve i have to look 4?

anonymous · Answer

you have to look for the perimeter of base triangle, then times 7 to get the answer

anonymous · Answer

im having a little problem how you get perimeter

anonymous · Answer

oh perimeter is the sum of all sides, the triangle has 3 sides, which are 2mm each, what is the perimeter?

anonymous · Answer

so it 6 then you times 7=42mm2 thanks

anonymous · Answer

ya you r welcome