Surface Area & Congruence (Grade 8)
Free printable Grade 8 geometry worksheet: surface area of solids, and testing triangle congruence by SSS.
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Grade 8 · Math worksheet
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Date
Math
Geometry: Surface Area & Congruence
Find the surface area of each solid, or decide whether the two triangles are congruent by SSS (side-side-side).
- 1.Find the surface area of a rectangular prism with length 4, width 10 and height 6.
- 2.Find the surface area of a rectangular prism with length 8, width 11 and height 2.
- 3.Find the surface area of a rectangular prism with length 3, width 3 and height 7.
- 4.Find the surface area of a rectangular prism with length 5, width 2 and height 8.
- 5.A triangular prism has a right-triangle cross-section with legs 10 and 24 (hypotenuse 26) and a length of 12. Find its surface area.
- 6.A triangular prism has a right-triangle cross-section with legs 10 and 24 (hypotenuse 26) and a length of 8. Find its surface area.
- 7.A triangular prism has a right-triangle cross-section with legs 8 and 15 (hypotenuse 17) and a length of 7. Find its surface area.
- 8.Triangle A has sides 11, 12, 6. Triangle B has sides 12, 12, 6. Are they congruent by SSS (side-side-side)?
- 9.Triangle A has sides 15, 6, 14. Triangle B has sides 17, 6, 14. Are they congruent by SSS (side-side-side)?
- 10.Triangle A has sides 9, 3, 9. Triangle B has sides 9, 9, 3. Are they congruent by SSS (side-side-side)?
- 11.Triangle A has sides 8, 10, 10. Triangle B has sides 10, 8, 10. Are they congruent by SSS (side-side-side)?
- 12.Triangle A has sides 3, 11, 9. Triangle B has sides 7, 11, 9. Are they congruent by SSS (side-side-side)?
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