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A painting with dimensions 140cm by …

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A painting with dimensions 140cm by 80cm is to be framed with a 10cm wide frame all around it's edges. If the framed painting is to be backed by hardboard , what is the area of the hardboard to be used

Posted by Vasu Makwana 8 years, 2 months ago

CBSE > Class 07 > Mathematics

1 answers

Naveen Sharma 8 years, 2 months ago

Length of the painting along with frame = 140 + 10 + 10 = 160 cm
Breadth of the painting along with frame = 80 + 10 + 10 = 100 cm

Area of cardboard required = {tex}160 \times 100 = 16000 \ cm^2 {/tex}

{tex}= {16000\over 100 \times 100 } = 1.6 \ m^2 {/tex}

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CBSE > Class 07 > Mathematics