Question

Find the perimeter of a rectangle whose length is 7a-3b+2c and breadth is 3a-11c+19b

Answer 1

perimeter of rectangle= 2(length + breadth)

here,  perimeter of rectangle = 2(7a-3b+2c+3a-11c+19b)

perimeter of rectangle = 2(10a+16b-9c)   

perimeter of rectangle = 20a +32b - 18c




i hope this will help you



-by ABHAY