Area of a Triangle (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What info is needed to find a triangle's area using the sine formula?
What info is needed to find a triangle's area using the sine formula?
Two sides & included angle
What is the included angle?
What is the included angle?
The angle between the two sides used
Complete: Area equals half the product of two sides multiplied by the ___ of the included angle.
Complete: Area equals half the product of two sides multiplied by the ___ of the included angle.
sine
For sides and with included angle , which formula should you use?
For sides and with included angle , which formula should you use?
What calculator mode must you use when calculating sine values?
What calculator mode must you use when calculating sine values?
Degree mode
What does SAS stand for in the context of this formula?
What does SAS stand for in the context of this formula?
Side-Angle-Side
Find area of triangle with sides cm and cm, included angle . (nearest cm²)
Find area of triangle with sides cm and cm, included angle . (nearest cm²)
116 cm²
In triangle ABC, which angle is included between sides and ?
In triangle ABC, which angle is included between sides and ?
Angle
In the derivation, rearranges to give what?
In the derivation, rearranges to give what?
What happens if you use the wrong angle (not the included angle)?
What happens if you use the wrong angle (not the included angle)?
You get an incorrect result