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Chapter 6: Q4. (page 212)
Complete the following statement with the word always, sometimes, or never.
An acute triangle is _____ a right triangle.
The complete statement is “An acute triangle is never a right triangle”.
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Complete the following statement with the word always, sometimes, or never.
Two lines parallel to a third line are _____ parallel.
A certain conditional is false. Must its converse be false? Must its inverse be false? Must its contrapositive be false?
Write the contrapositive of the converse of the inverse of the conditional: if r, then s.
Write the reasons that justify the statements.
Given: . Prove: localid="1637922009427"
For the following figure, name the largest and the smallest angle of the triangle.
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