1.

Given length of a rectangle is 4 times it's breadth. If the perimeter is 49 cm. Find it's length. *

Answer»

Step-by-step explanation:

perimeter of rectangle=2[length+BREADTH]

LET the length be X and breadth be 4X

therefore , 49=2[x+4x]

49=2x + 8X

49=10x

x=49\10

x=4.9

therefore, length=4.9

breadth=4.9×4

=19.6



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