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What is the area of a quadrilateral that has sides of 1.5cm 2cm 3.7cm and 2.2cm respectively in the given order?
Wiki User
∙ 6y ago
The quadrilateral has a diagonal of 2.5 cm and using the cosine formula the 'included' angle between sides 1.5cm and 2cm is 90 degrees also the 'included' angle between sides 3.7cm and 2.2cm is 41.036 degrees rounded to 3 decimal places.
Area of quadrilateral: 0.5*1.5*2*sin(90)+0.5*3.7*2.2*sin(41.036) = 4.172 square cm rounded to 3 decimal places
Wiki User
∙ 6y ago
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