2 years ago

Helpp!......PLEACE.......

Mathematics

1 answer:

Arlecino [84]2 years ago

4 0

Answer:

Step-by-step explanation:

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alekssr [168]

Answer:

Area = 12

Step-by-step explanation:

Given

See attachment

Required

Area of $\triangle PQR$

From the attached image, we have:

$P = (6,10)$

$Q = (10,8)$

$R = (6,4)$

The area is then calculated as:

$A = \frac{1}{2}|(x1y2 - x2y1) + (x2y3 - x3y2) + (x3y1 - x1y3)|$

So, we have:

$A = \frac{1}{2}|(6*8 - 10*10) + (10*4 - 6*8) + (6*10 - 6*4)|$

Using a calculator:

$A = \frac{1}{2}|-24|$

Remove absolute bracket

$A = \frac{1}{2} * 24$

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