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11-66.

    What is the volume and total surface area of each solid below? Show all work.

  1. Triangular prism, labeled as follows: front rectangle, bottom edge, 25 inches, front rectangle, right edge, 12 inches, top triangle, left edge, 7 inches, bottom triangle, back angle, 90 degrees.

    Use the Pythagorean Theorem to find the missing length of the leg of the triangle.

    sum of area of the faces and two bases.

  1. Cone, with dashed line, labeled 12 m, from vertex, perpendicular to center of circle base, Line segment, across circle base, labeled 10 meters.

    For a summary of what you did today, see the math notes box in lesson 11.2.3.