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Schach [20]
3 years ago
6

What is the area of the triangle in the diagram?

Mathematics
2 answers:
dsp733 years ago
5 0

Answer:

The answer is the 2nd one

Step-by-step explanation:

mariarad [96]3 years ago
5 0

Answer:

(B)          

Step-by-step explanation:

Given: A triangle whose coordinates are (0,0), (x_{1},y_{1}) and (x_{2},y_{1}).

To find: The area of the triangle.

Solution: We know that Area of triangle=\frac{1}{2}{\times}base{\times}height.

Now, Base=\sqrt{(x_{2}-x_{1})^{2}+(y_{1}-y_{1})^{2}}

Base=(x_{2}-x_{1})

And height=\sqrt{(0-0)^2+(y_{1}-0)^2}

Height= y_{1}

Therefore, area of triangle= \frac{1}{2}{\times}(x_{2}-x_{1})}{\times}y_{1}

Area of triangle=\frac{1}{2}y_{1}(x_{2}-x_{1})}

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