Parcel

parcel has a rectangular shape of a trapezoid with bases 12 m and 10 m and a height 8 m. On parcel was built object with a footprint an isosceles triangle shape with side 4 m and height three-quarters of a meter. What is the area of unbuild parcel?

Result

S =  86.5 m2

Solution:

S=(10+12)/2 84 3/4/2=1732=86.5 m2S=(10+12)/2 \cdot \ 8 - 4 \cdot \ 3/4/2=\dfrac{ 173 }{ 2 }=86.5 \ \text{m}^2



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