Concept explainers
(a)
To Find: The greater
(a)

Answer to Problem 3RP
Explanation of Solution
Given:
Formula Used:
In a
Angle-Sum Property: In a triangle the sum of all interior angle is equal to 180.
Calculation:
Conclusion:
Thus the required angle is
(b)
To Find: The greater angle in the given figure.
(b)

Answer to Problem 3RP
Explanation of Solution
Given:
Formula Used:
In a triangle side opposite to greater angle is always greater and opposite to smallest angel is always smallest or vice-versa.
Angle-Sum Property: In a triangle the sum of all interior angle is equal to 180.
Calculation:
Conclusion:
Thus the required angle is
(c)
To Find: The greater angle in the given figure.
(c)

Answer to Problem 3RP
Explanation of Solution
Given:
Formula Used:
In a triangle side opposite to greater angle is always greater and opposite to smallest angel is always smallest or vice-versa.
Exterior-Angle Property: In a triangle sum of two interior angle is equal to opposite exterior angle.
Calculation:
Conclusion:
Thus the required angle is
Chapter 15 Solutions
Geometry For Enjoyment And Challenge
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