Math, asked by radhikaprem5255, 10 months ago

the inside of an open metal box of internal dimensions 25cm ×18cm×15cm is lined with paper. find the area of the paper required

Answers

Answered by avhibunty

2

Given

W=25 cm

L=18 cm

H=15 cm

Area = WL + 2WH + 2WL

= 25 × 18 + 2 x 25 x 15 + 2 x 25 x 18

= 1740

add another 18 x 25 = 450,

so 1740 + 450 = 2190

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