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Grade: 9

                        

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

4 years ago

Answers : (1)

Rishabh Ranjan Das
23 Points
							
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
 
4 years ago
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