Math, asked by jhasanjeevkumar75, 5 months ago

The blackboard in your classroom is 70cm by 40cm in dimension.calculate the total length of the frame needed around it

Answers

Answered by Anonymous

2

Answer:

220cm

Step-by-step explanation:

to find the frame for blackboardwe need to know the permeter of the black board...

perimeter =(40×2)+(70×2)

=80+140

=220

so the length of frame is 220cm

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