3. Sally's teacher tells her that she can find the surface area of a prism by adding the areas of three faces and then multiplying by two. Which of the following will give Sally the correct answer? Circle all the correct answers. (area of bottom + area of left side + area of front) x 2 (area of top + area of right side + area of front) x 2 (area of top + area of bottom + area of right side) x 2 3 (area of top + area of left side + area of back) x 2 (area of bottom + area of right side + area of left side) x 2 (area of bottom + area of front+ area of top) x 2

- (area of bottom + area of left side + area of front) x 2

- (area of top + area of right side + area of front) x 2
- (area of top + area of bottom + area of right side) x 2
- (area of top + area of left side + area of back) x 2
- (area of bottom + area of right side + area of left side) x 2
- (area of bottom + area of front+ area of top) x 2