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Geometry and Trigonometry
Difficulty: Medium
A triangle has a base length of centimeters and a height of centimeters. What is the area, in square centimeters, of the triangle?
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Explanation
Choice C is correct. The area, , of a triangle is given by the formula , where is the base length and is the height of the triangle. It’s given that a triangle has a base length of centimeters and a height of centimeters. Substituting for and for in the formula yields , or . Therefore, the area, in square centimeters, of the triangle is .
Choice A is incorrect. This is the value of , not .
Choice B is incorrect. This is the value of , not .
Choice D is incorrect. This is the value of , not .