Parallelogram +ľ

| AB | = 76cm, | BC | = 44cm, angle BAD = 30 °.

Find the area of the parallelogram.

Correct result:

S =  1672 cm2

Solution:

a=76 cm b=44 cm A=30∘→ rad=30∘⋅ π180 =30∘⋅ 3.1415926180 =0.5236=π/6 h=b⋅ sin⁡(A)=44⋅ sin⁡(0.5236)=22 cm2 S=a⋅ h=76⋅ 22=1672 cm2

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