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Chapter 3: Q8 (page 80)

State the postulate or theorem that justifies each statement.

k鈯�p

Short Answer

Expert verified

Theorem 3-4: If transversal is perpendicular to one of the parallel lines, then it is perpendicular to the other one also.

Step by step solution

01

Step 1. First observation from figure

Arrowheads are shown on lines Iand P, so these lines are parallel

02

Step 2. Second observation from figure

Line tis transversal to the parallel lines IandP

03

Step 3. Third observation from figure

kis perpendicular I

Theorem 3-4: If transversal is perpendicular to one of the parallel lines, then it is perpendicular to the other one also.

k鈯�p

Thus, theorem 3-4 justifies given statement.

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