Exercise ID343

Geometry → Two-dimensional geometric shapes → Quadrilaterals
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Calculate the area of the parallelogram if its altitudes are 3 and 23 cm, and the angle between tham is 60°!

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sin α=hba=hab sin 60°=23a=3b=32 23a=32 2a=12 a2=21 a=4 T=a·ha=3·4 T=12 x
P=12 cm2
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