Concept explainers
To show that sides CA and CB are congruent.
Answer to Problem 7PSB
Explanation of Solution
Given information:
A,P and M lie in plane m .
Formula used:
The below properties are used:
Perpendicular lines form right
Right angles are congruent.
Two
Proof:
It is given that,
A, P and M lie in plane m .
Perpendicular lines form right angles.
Right angles are congruent.
By reflexive property, we get
By SAS congruence rule, we get
As corresponding parts of congruent triangles are congruent, we get
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