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in rectangle ABCD ,diagonal BD=26 cm and cotangent of angle ABD=1.5. Find the area and the perimeter of the rectangle ABCD.

in rectangle ABCD ,diagonal BD=26 cm and cotangent of angle ABD=1.5. Find the area and the perimeter of the rectangle ABCD.

Grade:9

1 Answers

Rishabh Ranjan Das
23 Points
6 years ago
312 cm2 and perimeter is 10 root 52. find cot x=ab/ad .consder lengths as 3x and 2x. apply pythagoras to find x . then apply formulas to find area and perimeter
 

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