11th Class Math MCQS
Sum of opposite angles of a cyclic quadrilateral =
180°
90°
360°
270°
When measure of one side and two angles are given then we use law of
Sine
None of these
Cosine
Tangent
If b = 3, c = 5 and ? = 120° then a =
6
5
8
7
We use first of cosine (tangent) then law of sine when measure of………. are given.
One side and one angle
21All three sides
One side & two angle
Two sides and one angle
A triangle have _____ elements
Six
Three
Five
Four
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