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Mathematics 11 Online
OpenStudy (anonymous):

please help me anybody !!!!!!!!!!!!!!!!!!!!!!!!!!!1

OpenStudy (anonymous):

2-6 Think About a Plan Reasoning Explain why this statement is true: If mABC + mXYZ = 180 and ABC  XYZ, then ABC and XYZ are right angles. Understanding the Problem 1. The statement is a conditional. Break the conditional down into its parts. What is the hypothesis? the hypothesis is a guess you take befor finding out the answer. 2. What is the conclusion of the conditional? 3. What makes an angle a right angle? _90 degree angle ___________________ 4. What does the symbol  mean about the angles? ___________________________________ Planning the Solution 5. For the statement to be true, the sum of the measures of the two angles must equal ______________ and the angles must have the same measure. 6. Write an equation to represent the hypothesis. Because ABC  XYZ, they have the same measure, so use the same variable m to represent the measure of each angle. 7. Simplify the equation. Getting an Answer 8. What is the value of m? 9. Does this value of m mean that ABC and XYZ are right angles? 10. How can you explain why the statement is true?

OpenStudy (anonymous):

I need help with question 1,2,4,5,6,7,8,9,10 I did question 3

OpenStudy (anonymous):

My brain hurts just looking at teh problem

OpenStudy (anonymous):

please help please

OpenStudy (anonymous):

on number 4 what does that square means? the symbol can you draw it?

OpenStudy (anonymous):

|dw:1400620795573:dw|

OpenStudy (anonymous):

ohh that means congruent

OpenStudy (anonymous):

on number 6 we can use |dw:1400621199763:dw| sorry I can't draw lol

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