What is the area of a triangle? 7 ft by 3 ft with 55 degrees angle

Please confirm my answer or tell me what I did wrong...
• 6.0 ft²
• 8.6 ft²
• 15.0 ft²
• 17.2 ft² my answer

4 answers

You are incorrect.

The formula for the area of an obtuse triangle is

Area = 1/2 ab sin C

Check if your calculator is in "degree" mode, not "radians"

8.6ft^2

1.a
2.b
3.b
4.c
5.b

Uteki is right!!

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