Concept explainers
To show that sides AB and CD are congruent.
Answer to Problem 2PSA
Explanation of Solution
Given information:
Formula used:
The below properties are used:
If a line is perpendicular to a plane, it is perpendicular to every line in the plane that passes through its foot.
Perpendicular
Right angles are congruent.
Two
Corresponding parts of congruent triangles are congruent.
Proof:
It is given that,
If a line is perpendicular to a plane, it is perpendicular to every line in the plane that passes through its foot.
Perpendicular angles form right angles.
Right angles are congruent.
By reflexive property, we get
By ASA congruence rule, we get
Corresponding parts of congruent triangles are congruent.
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