Math, asked by khushikesarwani18, 1 year ago

a rhombus shaped sheet with perimeter 40cm and one of the diagonal are 12cm is painted on both sides at the rate of ₹8 per m².find the cost of painting

Answers

Answered by Hiteshbehera74
6
perimeter = 4x side
side = 40/4 = 10

OB = 6
AB = 10
THEREFORE, AO = 8. (pythgoran triplet)

THEREFORE, DIAGONALS ARE 12cm & 16cm.

AREA = 1/2 (12x16) = 96cm²

TOTAL AREA TO PAINT = 2(96) = 192cm²

cost for painting = ₹8(192) = ₹ 1536


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