Question

If A(-5,7) ,B(-4,-5), C(-1,-6) and D(4,7) are vertices of quadilateral . find the area of quadilateral ABCD

Answer 1

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Answer 2

Hay!!
Dear user -

In the given question A(-5,7),B(-4,-5),C(-1,-6) and D(4,7) Are vertices of quadrilateral.

$\frac{1}{2} ( \frac{x1}{y1} \times \frac{x2}{y2} \times \frac{x3}{y3} \times \frac{x4}{y4} \times \frac{x1}{y1} )$
Then we will be put there value
$\frac{1}{2} ( \frac{ - 5}{7} \times \frac{ - 4}{ - 5} \times \frac{ - 1}{ - 6} \times \frac{4}{7} \times \frac{ - 5}{7} )$
=> 1/2{(25+24-1+28)-(-28-5-24-35)}

=> 1/2(70-42)

=> 1/2×22

=> 11

so The area of quadrilateral is 11

I hope it's help you