SOLUTION: The triangle ABC, shown in the diagram, is such that AC=8cm, CB=12cm and angle ACB= theta radians. The areas of the triangle ABC=20cm^2.
Show that theta=0.430 correct to three s
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Question 1032213: The triangle ABC, shown in the diagram, is such that AC=8cm, CB=12cm and angle ACB= theta radians. The areas of the triangle ABC=20cm^2.
Show that theta=0.430 correct to three significant figures.
Answer by ikleyn(52877) (Show Source): You can put this solution on YOUR website!
.
Use the formula for the triangle area
S = ,
where "a" and "b" are the dimensions of any two sides of a triangle and is the angle between them
(see the lesson Formulas for area of a triangle in this sie).
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