1.

State TRUE or FALSE for each of the following statements and write the reasons for the FALSE statement. (i) A triangle can have two right angles.(ii) A triangle can have two acute angles.(iii) A triangle can have two obtuse angles.

Answer»

(i) FALSE. 

In triangle sum of three angles is 180°. In triangle, if two angles are two right angles (90° + 90° = 180°). Then, sum of three angles is greater than 180°.

(ii) TRUE.

(iii) FALSE. 

In triangle sum of three angles is 180°. In triangle, if two angles are two obtuse angles, then sum of three angles is greater than 180°.



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