Concept explainers
To show that sides TR and VS are congruent.

Answer to Problem 14PSB
Sides
Explanation of Solution
Given information:
Planes m and n intersect in
Plane m contains R, S, and V.
Plane n contains R, S, and T.
Formula used:
The below properties are used:
Perpendicular lines form right
Two
Proof:
It is given that,
Planes m and n intersect in
Plane m contains R, S, and V.
Plane n contains R, S, and T.
Perpendicular lines form right angles.
By reflexive property, we get
By HL congruence rule, we get
As corresponding parts of congruent triangles are congruent, we get
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