5. The sides of a triangle are 9 cm, 12 cm and 15 cm respectively. Is it a right angled triangle? If yes, indicate it's base, perpendicular and hypotenuse.
6) In triangle ABC, AB = 11cm, AC = 61 cm, BC = 60 cm. Is it a right triangle? If yes, indicate its right angle.
7) A ladder is 17 m long. It is placed in such a way as to reach a wall up to 15 m height. Find the distance of the ladder on the ground from the wall.
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I think 2020 is the only year In which toppers are getting low marks then failures
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