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In ∆ABC. if the sides are 5. 13 and 12, then ∆ABC isA) a right angled triangleB) an acute angled triangleB) obtuse angled triangleD) complementary |
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Answer» A) A right angled triangle Step-by-step explanation: (5,12,13) Pythagorean TRIPLETS( The side with measure 13 is equal to the squares of other TWO sides that is 12+5 which is equal to 144+25=169=13) HENCE, ABC is a right angled triangle. |
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