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(1) Find the height of an equilateral triangle having side 2a. (2) Do sides 7 cm, 24 cm, 25 cm form a right angled triangle ? Give reason.(3) Find the length a diagonal of a rectangle having sides 11 cm and 60cm.(4) Find the length of the hypotenuse of a right angled triangle if remainingsides are 9 cm and 12 cm.(5) A side of an isosceles right angled triangle is x. Find its hypotenuse.(6) In A PQR; PQ = 18, QR = 15 , PR = 13. Is A PCR a right angled triangle ?If yes, which angle is of 90°?find RS and ST.please give proper answers with proper reasons |
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Answer» 1 ) side = 2a hypotenuse = 2a BASE = a because if we draw PERPENDICULAR then it will DIVIDE line into two equal partsperpendicular = ?Hheight will be |
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