Test 2 with Resolution | Geometry and Mathematics of Design | MATH 1536, Exams of Geometry

Download Test 2 with Resolution | Geometry and Mathematics of Design | MATH 1536 and more Exams Geometry in PDF only on Docsity! 5 l. The length of vector AB is: CB2> 2 5) (a) 2 RL, 37° (b) 2v2 jer" c) 4 JID V10 (e) V74 24 CE = 3. Are vectors AC and DE orthogonal? %,% (a) yes wats Ox AC 6-5, 2) i> vy ia) & DBL, WK 22D ~ Ques 4. To the nearest degree, angie 5 ADC mea- sures, oy BA Z 4, a> (a) 56° nD» BEF (b) 60° ” “Hig Ml Ove it (d) 116° (c) 124° 5. Find the area of triangle ADC: (a) 10 yave 0 23. (b) 10.5 SOF (c) 11 B O % (c d 10, 10) (b ( ) ) ) none of the above (b) 7.8 (e) 13 (dj 17 8 Find (-2.5, 1} x (1.0.4): fa) (~20,-9.5) (b) (20, -7 (c} (20.7.5) ©). oh  9. 10. i. A 4zouogon divides into how many par- allelograms? nen 6: 2 6 w-4 12. (c} 10 ee 2B = bo (d) 16 Which regular polygon has the Schlafi symbol 3.3.3.3? (a) tetrahedron (b) cube © octahedron (d) dodecahedron {e) icosahedron The cuboctahedron is the semiregular poly- hedron obtained by truncating a cube at the midpoints of its edges. How many faces does the cuboctahedron have? 13. 14. 2. The rhombicuboctahedron (pictured above) is the semiregular polyhedron whose Schlafii symbol is 3.4.4.4. What is the spheri- cal deviation at one vertex of the rhom- bicuboctahedron? (90 +40 rode 40 30° On. HO O 2OO,9°% (b} 60° 3QO (c) 120° (d) 330° Three polyhedra are shown below with a vertex marked on each. Which vertex has the largest spherical deviation? A polyhedron with 9 faces and 13 vertices would have how many edges? FV-E 2! Qy\S-E = 4 QTE < 2 e pO