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Chapter 3: Q2 (page 96)
Complete each statement with the words always, sometimes or never.
If a triangle is equilateral then it is isosceles.
If a triangle is equilateral, then it is always isosceles.
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Write proofs in two-column form.
Given:
Prove: is supplementary to
Complete each statement with the word always, sometimes, or never.
Two lines that are not coplanar intersect.
Use two lines of notebook paper as parallel lines and draw any
transversal. Use a protractor to measure
Measure one pair of corresponding angles. Repeat the experiment with another transversal. What appears to be true?
Complete each statement with the word always, sometimes, or never.
Two lines skew to a third line are skew to each other
Complete each statement with the word always, sometimes, or never.
Two lines perpendicular to a third line are perpendicular to each other
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