Math Problem Statement
Solution
This is a triangle problem where you are asked to find the area of the triangle . To solve this, we can use the formula for the area of a triangle when two sides and the included angle are known:
Here:
- (side )
- (side )
- (the angle between sides and )
Now let's calculate:
First, compute , which is approximately 0.6561. So:
Rounding to 1 decimal place:
So, the area of the triangle is approximately 31.5 cm².
Would you like a more detailed explanation of the steps or further assistance?
Here are some related questions:
- How do you calculate the sine of an angle using a calculator?
- Can the area of a triangle be found using other methods?
- What happens if the angle is not included between the two sides?
- How would you find the missing side using the Law of Cosines?
- What are the properties of an oblique triangle like this one?
Tip: Always double-check angle measurements in radians or degrees to ensure correct trigonometric function values!
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Area of a Triangle
Sine Rule
Formulas
Area = (1/2)ab * sin(C)
Theorems
Trigonometric function for sine
Law of Sines
Suitable Grade Level
Grades 9-10
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