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Geometry Ch11.3 #38-41
Hannah asked: I am doing Harold Jacobs Geometry, I am on chapter 11 lesson 3. I got to problems 39-41 and got stuck. Dr Callahan Answered: Let us start at #38. We can see that <ABC = 120 so <ADB = 30. Therefore we know AB = BD based on Theorem 10 page 159....
Algebra II with Trig Ch1.4 #25
Question: We need help on Algebra II with Trig 1.4 #25. How do we get started? Answer: We want to reduce the problem. The first step I take on these kind of problems is to make it easier to see. Looking at what we are given - we can see that the we have two big parts...
Geometry Ch5.1 #44
Cathy asked: Need some help with this problem - Geometry Ch. 5.1 #44:The answer key for this question states that we can't draw any definite conclusion about whether angle 3 and 4 are vertical angles. We previously proved angles 3 and 4 to be equal; based on the...
Geometry Ch5.1 #46
Question from Kerry: The answer key gives 5 statement answers, but the proof only has 4 statements. I don't know which of the 5 in the answer key is extraneous. Assuming the last one should be dropped, the answer in the key for statement 2 is subtraction, but I...
Geometry ch4.6 #3
Question from Nathan: In Lesson 6 Chapter 4 problem 3 of Harold Jacobs Geometry the answer was SSS. This is definitely accurate, however I answered with SAS and I believe that is also correct. Is it possible that both are correct? This happened again on problem 18 of...
Geometry Startup with Bad DVD
Every now and then we have customers who have a bad DVD or one that is missing. How frustrating - right as you are ready to start and have energy, the key ingredient is missing. ARGH!!! Here is what you need to do! First, let us know. Send an email to us at...
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