NDA Mathematics
Properties Of Triangles — Quiz
20 Questions · No Negative Marking
Question 1
In triangle ABC, the sine rule states: (NDA PYQ)
Aa/sinA = b/sinB = c/sinC
BsinA/a = sinB/b = sinC/c = 2R
Ca/sinA = b/sinB = c/sinC = 2R
Da sinA = b sinB = c sinC
Question 2
The cosine rule gives a² as: (NDA PYQ)
Ab² + c²
Bb² + c² − 2bc cosA
Cb² + c² + 2bc cosA
D(b+c)² − 2bc
Question 3
The area of triangle ABC using two sides and included angle is: (NDA PYQ)
Aab cosC
B½ab cosC
Cab sinC
D½ab sinC
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