To determine: Which of the given four
Answer to Problem 42STP
Triangle shown in option C is obtuse triangle.
Explanation of Solution
Given information: Given the following shapes of triangles:
Concept used: Obtuse triangle is one that’s any one angle is between 90 degree and 180 degree. So, to pick such triangle, in which any one angle looks making such angle.
Calculation: In figure A, given triangle is right triangle as one side is perpendicular on other. In figure B, all angles are acute angle shown, so it is actuate triangle. In figure C, its vertex triangle seems making an angle greater than 90 degree, so by above definition of obtuse triangle, this is the obtuse triangle and in figure D, again two sides are perpendicular to each other, so it is also a right triangle.
Conclusion: By above explanation, it is cleared that triangle given in option C is an obtuse triangle.
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