Surface Area & Congruence (Grade 9)
Free printable Grade 9 geometry worksheet: surface area of solids, and testing triangle congruence by SSS.
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Grade 9 · 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 11, width 2 and height 12.
- 2.Find the surface area of a rectangular prism with length 10, width 5 and height 11.
- 3.Find the surface area of a rectangular prism with length 4, width 7 and height 7.
- 4.Find the surface area of a rectangular prism with length 10, width 6 and height 5.
- 5.A triangular prism has a right-triangle cross-section with legs 9 and 40 (hypotenuse 41) and a length of 10. Find its surface area.
- 6.A triangular prism has a right-triangle cross-section with legs 9 and 40 (hypotenuse 41) and a length of 7. Find its surface area.
- 7.A triangular prism has a right-triangle cross-section with legs 12 and 16 (hypotenuse 20) and a length of 11. Find its surface area.
- 8.Triangle A has sides 5, 14, 14. Triangle B has sides 14, 14, 5. Are they congruent by SSS (side-side-side)?
- 9.Triangle A has sides 9, 9, 12. Triangle B has sides 12, 9, 12. Are they congruent by SSS (side-side-side)?
- 10.Triangle A has sides 6, 7, 9. Triangle B has sides 9, 7, 9. Are they congruent by SSS (side-side-side)?
- 11.Triangle A has sides 8, 8, 8. Triangle B has sides 8, 8, 8. Are they congruent by SSS (side-side-side)?
- 12.Triangle A has sides 10, 6, 10. Triangle B has sides 10, 6, 10. Are they congruent by SSS (side-side-side)?
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