ISO trapezium

Calculate area of isosceles trapezoid with base 95 long, leg 27 long and with the angle between the base and leg 70 degrees.

Correct result:

S =  2176.02

Solution:

a=95 v=27⋅sin⁡70∘=25.37 c=a−2acos⁡70∘=30.02  S=a+c2v=95+30.022⋅25.37=2176.02

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