The contrapositive of the statement pattern $[p \vee (p \to q)] \to (p \wedge \sim q)$ is

The negation of the converse of $p \vee q$ is

In triangle ABC, with usual notations, if $(a+b+c)(a+b-c) = ab$, then the measure of angle C is...

In $\triangle ABC$, with usual notation, if $a = 13, b = 14, c = 15$, then the sum of the values of $\sin\left(\dfrac{A}{2}\right)$ and $\sin A$ is....