Find the surface area of the regular pyramid.
1 answer:
Area of all triangles : 10 x 12 = 120 120 divided by 2 = 60 then, 60 x 4 = 240
Area of the Square: 12 x 12 = 144
Surface Area of the Pyramid: 240 + 144 = 384 square millimeters!!
Hope This helps :)
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