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SAT Subject Test

In the -plane, what is the area of a triangle whose vertices are , , and ?

### Select an Answer

Correct Answer:

No

Correct Answer:

Yes

Correct Answer:

No

Correct Answer:

No

Correct Answer:

No

### View Correct Answer

It is helpful to draw a sketch of the triangle:

The length of the base of the triangle is and the height of the triangle is . Therefore, the area of the triangle is . The correct answer is B.

Question Difficulty:

medium