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Elementary Geometry for College St...
Solutions
Elementary Geometry for College St...
Given: Quadrilateral ABCD with
Prove:
To prove:
Given:
The following figure shows the given quadrilateral ABCD.
Diagonals
Approach:
(1) According to the definition of perpendicular, if
(2) The sum of measures of four angels in a quadrilateral is
(3) Angles will be supplementary if the sum of measures of two angles is
Calculation:
The proof is as follows.
| Proof | |
| Statements | Reasons |
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