Attempt following question by selecting a choice to answer.
B
Which of the figures is an obtuse triangle?
fff BBBA.
BFigure 2
B.
BFigure 1
C.
BFigure 4
D.
BFigure 3
BB
C
Step 1: Figures 1 and 3 are acute triangles.[All the angles are less than 90o.]
Step 2: Figure 2 is a right triangle.[One angle is 90o.]
Step 3: Figure 4 is an obtuse triangle.[One angle is greater than 90o.]