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Question
The dimensions of a triangular desktop are shown below.
What is the area of the desktop in square inches?
Responses
A 90.5 in.290.5 in. 2
B 99 in.299 in. 2
C 840.5 in.2840.5 in. 2
D 420.25 in.2
To find the area of the triangular desktop, we need to use the formula for the area of a triangle: A = (1/2) * base * height.
From the given dimensions, we can see that the base of the triangle is 10 inches and the height is 8.5 inches.
Plugging these values into the formula, we get: A = (1/2) * 10 inches * 8.5 inches = 42.5 inches^2.
Therefore, the correct answer is D) 420.25 in^2.