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You are here: Home » GMAT Test Prep Questions » Geometry » Question 2
Data Sufficiency   GMAT Problem Solving : Geometry, Area of triangles
The GMAT Math practice question is a geometry problem to find the area of a triangle

Question 2
What is the area of an obtuse angled triangle whose two sides are 8 and 12 and the angle included between two sides is 1500?
  1. 24 sq units
  2. 48 sq units
  3. 24 under root 3
  4. 48 under root 3
  5. Such a triangle does not exist
The correct choice is (A) and the correct answer is 24 sq units.

Explanatory Answer
If two sides of a triangle and the included angle 'y' is known, then the area of the triangle can be found using the formula

1/2 * product of sides * sin y

Substituting the values in the formula, we get 1/2 * 8 * 12 * sin 150

= 24 sq units

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