Chapter 2: Q12. (page 67)
If ∠BOC is a right angle and , then , and data-custom-editor="chemistry" .
Short Answer
The measures of the angles∠DOE,∠BOAand∠AOCare32°,32°and122°respectively.
Chapter 2: Q12. (page 67)
If ∠BOC is a right angle and , then , and data-custom-editor="chemistry" .
The measures of the angles∠DOE,∠BOAand∠AOCare32°,32°and122°respectively.
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Get started for freeState the hypothesis and the conclusion of each conditional.
if
Justify each statement with a property from algebra or property of congruence .
Write each biconditional as two conditionals that are converses of each other.
Points are collinear if and only if they all lie in one line.
Prove the following statements by filling in the blanks.
Given: is the bisector of
Proof:
Statement | Reasons |
1. is the bisector of | 1. ? |
2. ?, or ? | 2. ? |
3. | 3. ? |
4. , or | 4. ? |
5. | 5. ? |
6. | 6. Substitution Prop. (Steps ? and ?) |
Provide a counterexample to show that each statement is false.
Statement: If a four-sided figure has four congruent sides, then it has four right angles.
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