Is the degree measure of one of the interior angles of triangle ABC greater than 90? [a, b, and c are sides of the triangle.]
(1) a^+b^2<15
(2) c >4
C
(1) a^+b^2<15
(2) c >4
C
c > 4vipulgoyal wrote:Is the degree measure of one of the interior angles of triangle ABC greater than 90? [a, b, and c are sides of the triangle.]
(1) a^+b^2<15
(2) c >4
C
=> c^2 > 16
Not A.
Since a^2 + b^2 < 15 (Not B)
a^2 + b^2 < c^2 (Angle contained between sides of length a and b is more than 90 degrees)
So C.
