lf ABC is a right angle isoscelec triangle, then find greatest angle
(a) 90°
(b) 180°
(c) 120°
(d) 60°
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Answer:90°obviously, Step-by-step explanation:because sum of all angles in a triangle is 180°if it is right angled, then surely 90° is one side sum of other two are 180°-90°= 90°as it is isoscale, then other sides are equal hence they are: 90÷2=45° and 45°. as here 90° is the greatest angle, I think you are now clear about the answer with proper reason.
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