Question

the dimensions of blackboard in rita's classroom is 13m×25m.what is the area of blackboard?what is its perimeter?​

Answer 1

area of black board =13×25

$325 {cm}^{2}$

perimeter = 2(l+b)

2(13+25)

2× 38

76cm

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Answer 2

Answer:

Step-by-step explanation: area of a rectangle = length × breadth

= 13×25 = 325m²

perimeter of a rectangle = 2×[lenght + breadth]

=2×[13+25]= 76