Concept explainers
Whether
Answer to Problem 9PSB
No,
Explanation of Solution
Given Information: Angle
Formula Used:The sum of all the angle of the triangle is
Proof: Any triangle is said to be acute angle triangle, if all three angles are acute.
If any of the angle is not acute, then triangle would not be acute. Therefore, if two angles are acute, then it is not necessary that third angle would be acute.
For e.g. In
Then from the triangle property (sum of all the angle of the triangle is
Hence,
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