1. In the following figure, ABC is an equilateral triangle and BCDE is a square whose each side is 8 cm long. Find the area of pentagon ABDEC in square cm.
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By: anil on 05 May 2019 01.36 am
side of square = 8 cm As the side of square is coinciding with side of equilateral triangle so side of equilateral teiangle = 8 cm Area of equilateral triangle = (√3/4 ) side^2 Area of square = side ^2 Total area = area of square + area of traingle = ((√3/4) x64) + 64 =16(√3+4) sqr cm
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