7) A kite is made of special paper that costs 40p
per cm². If BD = 6 cm, AO = 4 cm and CO = 8 cm.
Find the cost of making the kite.
A
B
D
o
C
Answers
Answered by
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Area of kite = area of ∆AOB+∆AOD+∆BOC+∆COD
=2(1/2×3×4)+2(1/2×3×8)
=12+24
=36cm^2//
Cost of paper needed =>
36cm to meter=36/100
=0.36//
cost=40×0.36
=rs14.40/-
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