Answer:

Step-by-step explanation:
The area of a triangle is given by:

From the diagram 
We substitute into the formula to get:

This implies that:

Because that is what everyone assumes it to be. So , if it is one, you are just making yourself do more work by making a kind of useless key.
-5 + 4 = -1
Start at -5, and add 4.
-5, -4, -3, -2, -1
From the latter, we obtain the equation 1 radian = (180π)o . This leads us to the rule to convert radian measure to degree measure. To convert from radians to degrees, multiply the radians by 180°π radians .
Answer:
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