Concept explainers
a.
To find: the restrictions on
a.
Answer to Problem 12PSB
Explanation of Solution
Given:
The given figure is shown below:
Calculation:
An exterior
Therefore,
Hence, the restrictions on
b.
To find: the restrictions on
b.
Answer to Problem 12PSB
Explanation of Solution
Given:
The given figure is shown below:
Calculation:
As the sum of all angle of the triangle are supplementary.
Therefore,
Hence, the restrictions on
c.
To find: the restrictions on
c.
Answer to Problem 12PSB
Explanation of Solution
Given:
The given figure is shown below:
Calculation:
As the sum of any two sides is greater than its third side. Therefore,
Hence, the restrictions on
d.
To find: the restrictions on
d.
Answer to Problem 12PSB
Explanation of Solution
Given:
The given figure is shown below:
Calculation:
The triangle must be
Hence, the restrictions on
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