Question

the side of rectangle are( 10.5+-0.2)cm and(5.2+-0.1)cm calculate its perimeter units error limits​

Answer 1

Answer:

$perimeter \: = 2(length + breadth) \\ p = 2(l + b) \\ where \: l = (10.5 - 0.2)cm \\ b = (5.2 - 0.1)cm \\ then \\ p = 2(10.5 - 0.2 + 5.2 - 0.1) \\ = 2(15.7 - 0.3) \\ 2 \times 15.4 =30 .8cm$

Answer 2

Explanation:

Refer to the attachment dear.....