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# GRE Coordinate Geometry Practice Question of the Week #35

Here’s this week’s practice question– good luck, we’ll be posting the answer and explanation tomorrow afternoon. Hint: draw a diagram!

The points A(0, 0), B(0, 4a – 5) and C(2a + 1, 2a + 6) form a triangle. If , what is the area of triangle ABC?

1. 102
2. 120
3. 132
4. 144
5. 256

### One Response to GRE Coordinate Geometry Practice Question of the Week #35

1. Nevin January 23, 2012 at 2:12 pm #

4a-5 = 2a+6

a=11/2

2a+1=12

2a+6=17

area = 1/2 * 12 * 17 = 102

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