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What is the area of this triangle?

Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.


in²

The figure contains a triangle. One side is 13 inches. A second side is 7.5 inches. The angle between the given sides is 94 degrees.

User Noveyak
by
8.4k points

2 Answers

6 votes
Area of the Triangle: 48.75 (Rounded: 49)

I multiply 7.5 x 13 then I divided the area by 2.
User Carlos Pereira
by
8.3k points
4 votes
Answer:
Area = 48.6 in²

Step-by-step explanation:
The area of the triangle can be calculated using the side-angle-side method as follows:
Area = 0.5 * first side * second side * sin(angle included between the two sides)

This rule is illustrated in the attached image.

Now, we have:
first side = 13 in
second side = 7.5 in
The angle included between the two sides = 94 degrees

The given angle is included between the two given sides, therefore, we can apply the above rule to get the area.

Area of triangle = 0.5 * 13 * 7.5 * sin(94)
Area of triangle = 48.63 which is approximately 48.6 in²

Hope this helps :)
What is the area of this triangle? Enter your answer as a decimal in the box. Round-example-1
User Tom Hickson
by
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