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by DaleCallahan | May 12, 2020 | Geometry, Geometry Chapter 15
In Jacobs Geometry Chapter 15 Lesson 1 problem 57, we are asked, “In how many planes do the square faces of the cube faces of the unfolded hypercube lie?” The Solutions Manual says 13 planes. Let’s see how they got that number....
by DaleCallahan | Apr 3, 2020 | Geometry, Geometry General Course Questions, Homework Help
Geometry Course Chapters 13 and 16 were originally omitted from our Geometry course for time constraints. The concepts in those chapters are advanced, though not difficult. Students will not likely see them on the ACT/SAT or even in college, except for specialized...
by DaleCallahan | May 23, 2019 | Geometry, Geometry Chapter 11, Geometry Tests
Question from Anya Course: Geometry Chapter/Lesson/Problem11 test7b Issue: I’m supposed to find Angle APM. To find the angle, I used tan APM=20/70, which gives 15.9 degrees. The solutions manual used sin APM=20/70, which gives 16.6 degrees. Sine is...
by DaleCallahan | Apr 23, 2019 | Geometry, Geometry Chapter 14
Question from Joy: We are in Geometry 3 rd edition. Chapter 14 lesson 2 number 22-23. Page 582. How do you get 108? The answer in key says 3 x 180/5? Why? I think I missed something important yet simple. I was thinking divide 360/5. What an I doing wrong? Thanks!...
