What is the formula of area of quadrilateral
1 answer:
Answer:
If the diagonal and the length of the perpendiculars from the vertices are given, then the area of the quadrilateral is calculated as:
Area of quadrilateral = (½) × diagonal length × sum of the length of the perpendiculars drawn from the remaining two vertices.
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Answer:
60 tons
Step-by-step explanation:
A ton is 2000 pounds
120000 pounds / 2000 pounds per ton
60ton
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Expand it
-(x+3)^2-1
-(x+3)(x+3)-1
-1(x^2+3x+3x+9)-1
-1(x^2+6x+9)-1
-x^2-9x-9-1
-x^2-9x-10
f(x)=-x^2-9x-10
